Iran’s Supreme Leader Ayatollah Ali Khamenei says his country has “delivered a hand slap to America’s face” with its strike on an American base in Qatar, and warned against any further U.S. attacks on Iran.

Arab governments emphasized this week that that the root issue underlying the violence — the decades-old Israeli-Palestinian conflict — must be resolved.

Iran’s supreme leader, Ayatollah Ali Khamenei congratulated Iranians for what he described as a victory over Israel and the United States, in defiant remarks published on state media that appeared to be his first public statement since U.S. war planes bombed three of the country’s nuclear facilities.