Members of the Sedgwick County Sheriff’s Office are investigating after a Wichita police officer shot and killed a man early Tuesday morning. The man, whose name has not yet been released, allegedly made repeated threats through his apartment door to shoot officers before pointing his gun at Wichita cops.

A Greenville, South Carolina, police officer was ambushed in his patrol car after a suspect pulled up beside him and opened fire in an attack captured on surveillance video and ending with the gunman dead.

A fierce gun battle between a suspected shooter and police unfolded during Wednesday morning’s rush hour near one of the city’s busiest intersections. The gunman and a man believed to be his victim died.