New Delhi, Feb. 28 -- Israel has launched a preemptive attack on Iran, Defense Minister Israel Katz said on Saturday.

"The State of Israel has launched a preemptive strike against Iran to remove threats to the State of Israel," Katz said.

Katz also said that he declared an "immediate state of emergency throughout the entire country."

According to Israeli media and claims on social media, multiple explosions have been heard including in Tehran.

Iran International reported that the office of Iran's Supreme Leader, the main headquarters of Ali Khamenei in downtown Tehran, has been targeted in an attack on Saturday.

Majid Akhavan, spokesman for Iran's Civil Aviation Organization, has announced that "the entire country's airspace has been...