Multiple outlets report that the United States launches air and other strikes against Iran after troops are killed in action. The reports link the attacks to a breakdown in a preliminary effort to end the conflict. They say the United States and Iran remain at odds while trying to resolve a deadlock connected to the Strait of Hormuz, an area described as crucial to global oil shipping. According to the coverage, the effort to reach a settlement fails to proceed, and hostilities continue as both sides pursue positions they believe are necessary to ease tensions. The sources characterize the strikes as retaliation or punishment for the deaths of U.S. troops, while also noting that the broader conflict context includes stalled negotiations and continued fighting over access and security in and around the Strait of Hormuz. The articles do not provide additional verified details on the scale of the strikes or casualty figures beyond the reported deaths of troops. The overall narrative across the sources is that a tentative diplomatic track collapses, and the conflict escalates through U.S. military action.