Prince George RCMP say the Independent Investigations Office has been notified after an officer discharged a service pistol in the detachment's cells.
The incident occurred this morning when an altercation broke out while the man was being booked into cells, police said. Bear spray was also discharged.
Police said the suspect was injured in the altercation and received medical attention.
Details on the suspect's injury and whether it was a gunshot wound were not provided.
A police officer also received minor injuries, RCMP said.
Police said the man had been arrested after RCMP were called to a report of a theft in the area of 15 Avenue and Victoria Street.
The man, whose name was not provided, was found to be in possession of a firearm and had an outstanding arrest warrant, RCMP said.
"As this is an active investigation, there will be no further updates," RCMP said.
The IIO is a civilian-based watchdog responsible for investigating police involved injuries and deaths. If it find evidence of criminal wrongdoing, it passes on its findings to the B.C. Prosecution Service for consideration of charges.
