Israel's strikes against Iran have sparked international concern, testing Russia's position as a potential mediator and leading to varied reactions from global leaders.

The Biden administration rallied to Israel’s side when Israel struck Iran last year in retaliation for Iranian backing for its enemies in its war against Hamas in Gaza and Hezbollah and for an intense barrage of Iranian missiles on Israel.

Republicans and some Democrats offered strong support for Israel’s move, but many Democrats called for de-escalation and warned of the consequences of a broader war.