Iran has fired a salvo of missiles and drones at Israel, while warning the United States that its military had been given a “free hand” to attack American targets as well.

Iran’s foreign minister Abbas Araghchi is preparing to meet Russian President Vladimir Putin, saying he expected their conversation to “be in the interests of both countries”. Araghchi said late on Sunday night that he would have “serious and important discussions” with Putin in Moscow.

The U.S. strike on Iran has fueled fears that Israel’s war with Tehran could escalate to a wider regional conflict and other countries began reacting with calls for diplomacy and words of caution