Military investigation hasn’t definitively concluded that American forces caused what appears to be deadliest strike of warUpdated March 6, 2026 3:28 pm ETU.S. military investigators think American forces likely were responsible for a strike that killed dozens of children at a girls elementary school in Iran, a U.S. official said. The investigation hasn’t reached a final conclusion, the official said.Shajarah Tayyebeh Girls’ School, in the town of Minab near the Strait of Hormuz, was hit Saturday on the first day of the U.S.-Israeli air campaign in what appears to be the deadliest strike of the war. Iran said more than 160 people were killed, including many children, a figure that couldn’t be independently verified.