Video Shows US Police Shoot And Kill Unarmed Black Man

A US police department in Oklahoma has released video of an encounter in which an unarmed black man was shot dead by a white officer while his hands were up.

Video recorded by a police helicopter and a patrol car's dashboard camera were released by the Tulsa police department on Monday show 40-year-old Terence Crutcher being shocked with a stun gun and then shot dead.