Ukrainian President Volodymr Zelensky landed in London on Monday and will meet with British Prime Minister Keir Starmer and other officials, a senior Ukrainian source told AFP.

"There will be plenty of meetings, with the prime minister and parliament," the source said.

The U.N. nuclear watchdog head demanded Monday the return of agency inspectors to Iran's nuclear sites in a bid to "account for" its highly enriched uranium stockpiles following attacks by Israel and the United States on its atomic program.

To be able to "return to the negotiating table", "allow IAEA inspectors, the guardians on our on behalf of the NPT to go back to Iran's nuclear sites and account for the stockpiles of uranium" including the "400 kilograms enriched to 60 percent", Rafael Grossi, director of the International Atomic Energy Agency (IAEA), told an emergency meeting of the organization's headquarters in Vienna.

The EU's top diplomat warned Monday it would be "extremely dangerous" should Iran shut down the crucial Strait of Hormuz trading route over U.S. strikes on its nuclear sites.

"Any Iranian closure of the Strait of Hormuz would be extremely dangerous," Kaja Kallas wrote on X, as EU foreign ministers met in Brussels for talks with the Iran-Israel conflict high on the agenda.

Israel carried out a fresh strike on Iran's underground Fordo nuclear site south of Tehran, a media outlet in the country reported.

"The aggressor attacked the Fordo nuclear site again," Tasnim news agency reported, quoting a spokesperson for the crisis management authority in Qom province where the site is located.

The United States embassy in Lebanon said that the State Department on Sunday ordered the departure of family members and non-emergency U.S. government personnel from Lebanon, after Washington launched strikes on Iranian nuclear facilities.

"On June 22, 2025, the U.S. Department of State ordered the departure of family members and non-emergency U.S. government personnel from Lebanon due to the volatile and unpredictable security situation in the region," said a statement on the U.S. embassy website.

Russia fired 352 drones and 16 missiles at Ukraine overnight, killing at least seven people in the capital Kyiv and its suburbs, Ukrainian President Volodymyr Zelensky said on Monday.

"In total, 352 drones were launched, including 159 (Iranian-designed) Shaheds just overnight, along with 16 missiles. Preliminary reports indicate that ballistic weapons from North Korea were also used," Zelensky said on social media.

China said on Monday that the international community must do more to prevent fighting between Iran and Israel from impacting the global economy, noting the "Persian Gulf and surrounding waters are important international trade routes".

"China calls on the international community to make greater efforts to promote the de-escalation of the conflict and prevent regional instability from having a greater impact on global economic development," foreign ministry spokesman Guo Jiakun said.

Sirens wailed across Israel for over 30 minutes on Monday and loud explosions were heard in Jerusalem on Monday, as the military warned of multiple missile barrages launched from arch-foe Iran.

After the extended alert period in several areas of the country, the Israeli military later said civilians could leave shelters.

The United Nations special envoy for Syria denounced Sunday's attack on a church in Damascus that killed at least 20 people as a "heinous crime".

A former bodyguard for Sayyed Hassan Nasrallah, the slain leader of Lebanon's Hezbollah, was killed Saturday in an Israeli strike in Iran, a Hezbollah official said.

For more than a week, Israel has been carrying out waves of air attacks on Iranian targets in the foes' worst confrontation in history.