Mexican President Claudia Sheinbaum said Monday she would demand explanations over what U.S. and Mexican officials were doing in northern Chihuahua when they died in an accident

The incident occurred in the state of Chihuahua, when a vehicle carrying the two U.S Embassy staffers and two Mexican officials with the Chihuahua State Investigation Agency fell into a ravine, according to the Chihuahua State Attorney General's Office.