SFPD shoots and kills armed security guard suspected in pedestrian hit-and-run near Union Square

SAN FRANCISCO (KGO) -- San Francisco police say officers shot and killed an armed man believed to be a security guard accused of running over two pedestrians and a bicyclist.

The acting police chief says someone in a black SUV ran over the curb and hit two teenage girls coming out of Chipotle at Kearny and Post streets around 6:30 last night.

Police say the driver was trying to chase down a man on an e-bike. He eventually hit that bicyclist, who took then took off.

WATCH: SFPD updates on deadly shooting of hit-and-run suspect near Union Square

San Francisco interim police chief provided an update on a deadly police shooting of a suspected armed security guard who hit several pedestrians while chasing a bicyclist.

The suspect tried to put the e-bike in his vehicle, and police say he collected some of the items left by the bicyclist.

Officers found that car at Grant and Post at around 1:30 a.m. on Friday and the suspect was in it.

Police say officers surrounded the car and ended up firing at the armed man inside.

They would not explain what led an officer to shoot but said they recovered a weapon. The man was taken to a hospital where he died.

Police say they believe the suspect worked as a security guard at the Dior in Union Square.

The pedestrians were an 18-year-old girl and a 17-year-old girl and are doing okay.

Officers couldn't find the bicyclist and are asking for him to come forward.