India, March 27 -- Israel said Thursday it killed Commodore Alireza Tangsiri, the head of the Iranian Revolutionary Guard's navy - the key official overseeing the closure of the strait.

Israeli Defence Minister Israel Katz said he had been killed along with other senior naval commanders in a strike overnight. Iran did not immediately acknowledge Tangsiri's killing.

Israel said it carried out a wave of attacks early on Thursday targeting Iranian infrastructure, and air defenses were heard in Tehran. Heavy strikes were also reported around Isfahan, home to a major Iranian air base and other military sites, as well as one of the nuclear sites bombed by the US during the 12-day war in June.

Sirens sounded very early on Thursday morning in ...