Three US troops killed in military operation against Iran as death toll rises across Middle East

Iran has vowed revenge for the killing of its supreme leader and has continued to traded strikes with Israel as part of the widening war

Smoke rises up after a strike in Tehran, Iran, Sunday, March 1, 2026. (AP Photo/Vahid Salemi)

Three American service members have been killed and five have been seriously injured in military operations targeting Iran, the US military has said.

They are the first reported American casualties since the US and Israel launched a surprise attack on Iran on Saturday.