A 'realistic-looking replica firearm' was located at the scene and officers rendered first aid to the man after shooting him, a police statement said.

Anaheim police fatally shot a man while responding a report of a possible robbery in a neighborhood where investigators later discovered a replica firearm, authorities said Saturday.

Cheyenne Police officers were dispatched to a report of shots fired at a residence near the 1600 block of West Jefferson Road.

Los Angeles Police Department officers were in pursuit of an alleged robbery suspect when the driver and another occupant fled from the car on foot. It's unclear what prompted the chase to begin, but police say that the same car was involved in some sort of robbery in earlier December.

Police were chasing a vehicle in the South Bay area on Friday Details on what prompted the pursuit were not immediately available. This is a developing story, please check back for updates.