Israel-Iran conflict live: major explosion reported in Tehran as Trump calls for ‘unconditional surrender’

5 hours ago 3

Opening Summary

Hello and welcome to our live coverage of the deepening conflict between Israel and Iran, as speculation mounts about whether the US will directly engage by lending military support to Israel, or push for negotiations between the two countries.

If you are just tuning in, here is a quick summary of what you need to know.

  • Israel’s defence forces said they launched a fresh wave of strikes on Tehran in the early hours of Wednesday morning, warning residents in parts of the city to urgently evacuate. “Dear citizens, for your safety and well-being, we urgently request that you immediately evacuate the designated area in Tehran’s Area 18. Your presence in this area puts your life at risk,” the IDF posted on social media.

  • Residents in Tehran are fleeing the capital, with witnesses citing strong explosions hitting buildings in western and eastern parts of Tehran on Tuesday evening, the Associated Press reported. On the roads out of Tehran to the west, traffic stood bumper to bumper, and long lines also could be seen at gas stations. However, the impact and extent of any damage from the latest round of Israeli strikes remains unclear.

Heavy traffic builds up as vehicles attempt to leave Tehran following Israeli airstrikes, on June 15, 2025 in Tehran, Iran.
Heavy traffic builds up as vehicles attempt to leave Tehran following Israeli airstrikes, on June 15, 2025 in Tehran, Iran. Photograph: Contributor/699095/Getty Images
  • In Israel, the IDF said that families across the country had sought shelter due to missile launches from Iran. Iran’s Revolutionary Guard Corps said Wednesday that hypersonic missiles were used during the latest attack on Israel. The extent to which they caused any damage also remains unclear.

 a minibus buried in the earth to try to protect his family from incoming Iranian fire, in the Negev Desert in southern Israel, early Wednesday, June 18, 2025.
Mohammed Abu Ganima, 7, peers out of a makeshift shelter in his Bedouin village: a minibus buried in the earth to try to protect his family from incoming Iranian fire, in the Negev Desert in southern Israel, early Wednesday, June 18, 2025. Photograph: Maya Alleruzzo/AP
  • Responding to the ongoing conflict, Iran’s supreme leader, Ali Khamenei vowed on X that Iran would retaliate. “We must give a strong response to the terrorist Zionist regime. We will show the Zionists no mercy,” he said.

  • Those messages were posted after Donald Trump wrote on social media that the United States knows the location of the Iranian Ayatollah Khamenei, adding that the US would not kill him “for now” but called for Iran’s “unconditional surrender”.

  • In an apparent response to the president’s post, senator Bernie Sanders said the president “must not take illegal military action against Iran”. Yesterday, Democratic senator Tim Kaine also introduced a war powers resolution that would prohibit US armed forces from taking direct action against Iran without explicit authorisation from Congress or a declaration of war.

  • Israeli defence minister Israel Katz said that Iran’s supreme leader could face the same fate as Iraqi president Saddam Hussein, who was toppled in a US-led invasion and was eventually hanged after a trial.

  • Following a Situation Room briefing with members of his national security team, Trump is evaluating whether to lend his support to Israel by targeting Iranian nuclear facilities. Iran’s Fordow nuclear facility is located beneath a mountain that will be difficult for Israeli forces to penetrate without the assistance of the United States, which is the only country that possesses bombs that can break through the underground bunker.

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Here are some images coming to us over the wires.

 a minibus buried in the earth to try to protect his family from incoming Iranian fire, in the Negev Desert in southern Israel, early on Wednesday.
A young boy peers out of a makeshift shelter in his Bedouin village: a minibus buried in the earth to try to protect his family from incoming Iranian fire, in the Negev Desert in southern Israel, early on Wednesday. Photograph: Maya Alleruzzo/AP
A man looks on at the crowded tents of displaced people among the destroyed buildings in Gaza City on 17 June 2025.
A man looks on at the crowded tents of displaced people among the destroyed buildings in Gaza City on 17 June 2025. Photograph: Majdi Fathi/NurPhoto/Shutterstock
People evacuated from Israel arrive at Vassil Levsky airport in Sofia, Bulgaria on Wednesday, June 18, 2025.
People evacuated from Israel arrive at Vassil Levsky airport in Sofia, Bulgaria on Wednesday, June 18, 2025. Photograph: Valentina Petrova/AP

Iran arrests five for 'tarnishing' country’s image - media reports

Iran said on Wednesday it had detained five suspected agents of Israel’s Mossad intelligence agency on charges of “tarnishing” the country’s image online, Iranian news agencies reported.

“These mercenaries sought to sow fear among the public and tarnish the image of the sacred system of the Islamic Republic of Iran through their calculated activities online,” Tasnim and SNA news agencies quoted a statement from the Revolutionary Guards as saying.

They added that the arrests had been made in western Iran, AFP reports.

The US Embassy in Jerusalem will be shut from Wednesday through Friday due to the security situation in the region and to comply with Israeli guidance, the US State Department said.

“Given the security situation and in compliance with Israel Home Front Command guidance, the US Embassy in Jerusalem will be closed tomorrow (Wednesday, June 18) through Friday (June 20). This includes the Consular Sections in Jerusalem and Tel Aviv,” the State Department said on X.

Israeli strikes have not knocked out Iran’s nuclear programme - or its nuclear ambitions

Emma Graham-Harrison

Emma Graham-Harrison

Israel has been conducting strikes across Iran since 13 June, targeting nuclear, military and energy facilities.
Israel has been conducting strikes across Iran since 13 June, targeting nuclear, military and energy facilities. Photograph: Abedin Taherkenareh/EPA

In just a few days of war, Israel has killed more than a dozen of Iran’s top nuclear scientists, taken out much of its top military hierarchy and attacked key parts of its nuclear programme.

It has been a powerful display of Israeli military and intelligence dominance, but has not critically damaged Iran’s widely dispersed and heavily protected nuclear programme, Israeli military commanders and international nuclear proliferation experts agree.

And far from curbing nuclear proliferation, Israel’s gamble on force could drive Iran to speed up its efforts to get a bomb if the current conflict ends without full destruction of the programme or a deal with iron-clad controls and broad inspection powers.

Israel’s initial attacks have delayed by a few months Iran’s ability to “break out”, or make a functioning nuclear weapon, an Israeli military official said, speaking on condition of anonymity.

But US intelligence officials believe Tehran was up to three years away from being able to deliver a weapon and not actively pursuing a bomb, CNN reported on Tuesday – which would make that delay relatively inconsequential.

Read the full analysis here:

China has also begun organising the evacuation of the first batch of Chinese citizens from Iran, according to China News Service on Wednesday, as reported by Reuters.

The Chinese nationals departed from Tehran via land route into Turkmenistan on Tuesday, the state-run news agency said.

In his first public comments on the conflict, Chinese president Xi Jinping said on Tuesday that he was “deeply worried” about Israel’s military operation against Iran that has escalated tensions in the Middle East.

The first aircraft bringing home Israelis stranded abroad by flight cancellations resulting from the conflict with Iran landed at Ben Gurion Airport on Wednesday, the airports authority said, as reported by Agence France Presse.

“Just a short while ago, the first flight of Operation Safe Return landed at Ben Gurion Airport,” a statement said, adding that the flight had been operated by national carrier El Al and brought Israelis home from Larnaca in Cyprus.

In a clear indication of the strikes that have been occurring in the Middle East, there are gaping holes over the world’s most perilous air zones, as seen in this map published by flight radar.

In the span of a few days, Israel has killed more than a dozen of Iran’s top nuclear scientists, taken out much of its military hierarchy, and launched a wave of attacks against its nuclear programme, writes the Guardian’s chief Middle East correspondent, Emma Graham-Harrison, in this compelling analysis.

“It has been a powerful display of Israeli military and intelligence dominance, but has not critically damaged Iran’s widely dispersed and heavily protected nuclear programme, Israeli military commanders and international nuclear proliferation experts agree.”

Smoke billows in the distance from an oil refinery following an Israeli strike on the Iranian capital Tehran on June 17, 2025.
Smoke billows in the distance from an oil refinery following an Israeli strike on the Iranian capital Tehran on June 17, 2025. Photograph: Atta Kenare/AFP/Getty Images

Read the full piece below.

IDF claims hit on 'centrifuge production' site in Tehran

Posting on X, the IDF says that it has attacked “a centrifuge production site and several weapons manufacturing sites” overnight. The Guardian was unable to verify the claims and the Iranian government has not acknowledged the attacks.

The IDF wrote:

Over 50 Air Force fighter jets, guided by precise intelligence from the Intelligence Directorate, completed a series of strikes on military targets in the Tehran area in recent hours.”

“During the wave of attacks, several weapons manufacturing sites were targeted. Among the weapons production facilities attacked was a site for producing raw materials and components for assembling surface-to-surface missiles that the Iranian regime has launched and continues to launch toward the State of Israel.”

Major explosion heard in Tehran before dawn

The Associated Press has reported that a major explosion could be heard around 5 am in Tehran on Wednesday morning, following other explosions that boomed earlier in the predawn darkness.

Authorities in Iran offered no acknowledgement of the attacks, which has become increasingly common as the Israeli airstrike campaign has intensified since it began on Friday.

At least one strike appeared to target Tehran’s eastern neighbourhood of Hakimiyeh, where the paramilitary Revolutionary Guard has an academy.

Traffic stood bumper to bumper on roads to the west and downtown Tehran emptied out, with many shops shuttered as well as the ancient Grand Bazaar. The Bazaar has closed only in times of crisis, such as during the 2022 anti-government protests and the coronavirus pandemic.

Opening Summary

Hello and welcome to our live coverage of the deepening conflict between Israel and Iran, as speculation mounts about whether the US will directly engage by lending military support to Israel, or push for negotiations between the two countries.

If you are just tuning in, here is a quick summary of what you need to know.

  • Israel’s defence forces said they launched a fresh wave of strikes on Tehran in the early hours of Wednesday morning, warning residents in parts of the city to urgently evacuate. “Dear citizens, for your safety and well-being, we urgently request that you immediately evacuate the designated area in Tehran’s Area 18. Your presence in this area puts your life at risk,” the IDF posted on social media.

  • Residents in Tehran are fleeing the capital, with witnesses citing strong explosions hitting buildings in western and eastern parts of Tehran on Tuesday evening, the Associated Press reported. On the roads out of Tehran to the west, traffic stood bumper to bumper, and long lines also could be seen at gas stations. However, the impact and extent of any damage from the latest round of Israeli strikes remains unclear.

Heavy traffic builds up as vehicles attempt to leave Tehran following Israeli airstrikes, on June 15, 2025 in Tehran, Iran.
Heavy traffic builds up as vehicles attempt to leave Tehran following Israeli airstrikes, on June 15, 2025 in Tehran, Iran. Photograph: Contributor/699095/Getty Images
  • In Israel, the IDF said that families across the country had sought shelter due to missile launches from Iran. Iran’s Revolutionary Guard Corps said Wednesday that hypersonic missiles were used during the latest attack on Israel. The extent to which they caused any damage also remains unclear.

 a minibus buried in the earth to try to protect his family from incoming Iranian fire, in the Negev Desert in southern Israel, early Wednesday, June 18, 2025.
Mohammed Abu Ganima, 7, peers out of a makeshift shelter in his Bedouin village: a minibus buried in the earth to try to protect his family from incoming Iranian fire, in the Negev Desert in southern Israel, early Wednesday, June 18, 2025. Photograph: Maya Alleruzzo/AP
  • Responding to the ongoing conflict, Iran’s supreme leader, Ali Khamenei vowed on X that Iran would retaliate. “We must give a strong response to the terrorist Zionist regime. We will show the Zionists no mercy,” he said.

  • Those messages were posted after Donald Trump wrote on social media that the United States knows the location of the Iranian Ayatollah Khamenei, adding that the US would not kill him “for now” but called for Iran’s “unconditional surrender”.

  • In an apparent response to the president’s post, senator Bernie Sanders said the president “must not take illegal military action against Iran”. Yesterday, Democratic senator Tim Kaine also introduced a war powers resolution that would prohibit US armed forces from taking direct action against Iran without explicit authorisation from Congress or a declaration of war.

  • Israeli defence minister Israel Katz said that Iran’s supreme leader could face the same fate as Iraqi president Saddam Hussein, who was toppled in a US-led invasion and was eventually hanged after a trial.

  • Following a Situation Room briefing with members of his national security team, Trump is evaluating whether to lend his support to Israel by targeting Iranian nuclear facilities. Iran’s Fordow nuclear facility is located beneath a mountain that will be difficult for Israeli forces to penetrate without the assistance of the United States, which is the only country that possesses bombs that can break through the underground bunker.

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