The United States begins military strikes against Iran after Iran downs an American Apache helicopter, according to reports from multiple outlets. The action is framed as a response to the incident involving the aircraft, with US forces carrying out attacks targeting sites in Iran. The helicopter crash and the circumstances surrounding it are presented as the trigger for the escalation.\n\nCoverage describes the US decision as part of a rapid retaliation cycle, with strikes occurring shortly after the event reported from Tehran. While the exact locations hit and the scope of damage are not detailed consistently across the brief reports, the common element is the sequence: the helicopter is downed, then the US initiates strikes against Iran.\n\nThe reports also reflect ongoing uncertainty typical of early-stage conflict reporting, including limited publicly confirmed information about casualties, specific targets, and Iranian statements beyond the claim of downing the aircraft. Overall, all sources agree on the core timeline and cause-and-effect relationship driving the initial escalation.