Hot air balloon crash kills 4 in Arizona

Four people were killed and a fifth passenger was critically injured in a hot air balloon crash nearly halfway between Tucson and Phoenix.

Police in Eloy, Ariz., said on Facebook “a hot air balloon crash-landed in the desert area east of Sunshine Blvd.,” Sunday morning shortly before 8 a.m.

“The cause of the crash is currently unknown,” the police department said.

Local authorities are working with the National Transportation Safety Board and Federal Aviation Administration to investigate the incident.