An attack on Israel from multiple fronts is "expected imminently," according to a Bloomberg report, citing Israeli officials on Sunday. This is a developing story.

Asked by reporters whether Iran would stand down, US President Joe Biden said on Saturday, "I hope so. I don't know," as Washington braces for Iran to make good on threats to respond to the killing of Hamas leader Ismail Haniyeh in Tehran.

Michael Erik Kurilla, commander of US Central Command, arrived in the Middle East early Sunday morning amid Hezbollah and Iran's threats against Israel, Walla reported on Sunday, citing two senior US officials.The aim of the visit, which was planned before the current escalation, is to prepare a coalition to counter such threats, the report added.