While Russia, China, and North Korea condemned the U.S. strikes, only Russia called the aggression groundless. Iran has ties with Hezbollah in Lebanon and the Houthis in Yemen, but these groups have not directly engaged Israel since the U.S. bombing.

Crowds of Iranians gathered in public on Sunday to express anger about the US’s missile strikes on nuclear sites in Iran and amplify their leaders’ promise of retaliation. CNN’s Fred Pleitgen reports from protests on the streets of Tehran.