Emergency services say ten have been killed in Israel, while Iranian state media have given little information about casualties in Iran.

Follow live updates as Iran retaliates after Israel strikes nuclear facilities. Stay informed with real-time news and developments.

Israel has issued an "urgent warning to Iranian citizens" to evacuate areas close to military sites after fresh exchanges of strikes between the two countries overnight raised fears of further escalation.

Iran launched dozens of ballistic missiles toward Israel on Friday night in retaliation for Israel's surprise attack early Friday. Israel struck at the heart of the Iran's nuclear program, killing several nuclear scientists as well as high-ranking military leaders, according to Israeli officials.

DUBAI, United Arab Emirates (AP) — Israel launched an expanded assault on Iran on Sunday, with direct strikes targeting its energy industry and Defense Ministry headquarters, while Tehran unleashed a fresh barrage of missiles blamed for the deaths of four people and injuries of many others.

President Donald Trump told Reuters in a phone interview on Friday that it was unclear if Iran still has a nuclear program following Israeli strikes on the country. Trump told Reuters the U.S. still has nuclear talks planned with Iran on Sunday but that he is not sure if they will still take place.

Israeli emergency services have said at least two people were killed in the strikes and dozens of people are injured.

Russia has maintained a delicate balancing act in the Middle East for decades, trying to navigate its warm relations with Israel even as it has developed strong economic and military ties with Iran.