Iran will take even tougher action against Israel if attacks escalate President Masoud Pezeshkian warned during a cabinet meeting in Tehran on Sunday. He spoke after both sides launched fresh attacks on each other overnight into Sunday.

Hours after a top Iranian military official on Monday claimed that Pakistan has assured launching a nuclear attack against Israel if the latter dropped a nuclear bomb on Iran, a shaken Islamabad termed the news as "fake" which it said has even been carried by the British press.

Despite stunning early successes in Israel’s unprecedented strikes on Iran, a weekend of intensive bombardment and retaliation is raising questions about Israel’s exit strategy – how it can end this conflict with its ambitious goals achieved.

Experts suggest the U.S. has a strategic opportunity to leverage Iran's weakened position for a nuclear deal after Israel's targeted strikes on Iranian nuclear and military sites.

President Donald Trump vetoed a plan presented to the U.S. in recent days to kill Iranian supreme leader Ayatollah Ali Khamenei, according to a U.S. official familiar with the matter