A Memphis firefighter was tragically killed in the line of duty Wednesday when his fire engine was involved in a crash. It happened around 8pm on Cambridge Avenue near EH Crump and Danny Thomas Boulevard. Memphis Police say the fire truck struck a pickup truck. Four firefighters were taken to Regional One Trauma Center, where one of them later died. Witnesses said the pickup truck driver ran a red light and struck the fire engine, which tried to swerve, but flipped over onto it’s side.