At about 11:50 a.m. it appeared two quick rounds of shots were fired.
Steady gunfire has begun at 12:04 p.m.
At 12:07 p.m. a flash-bang was detonated in the entrance of the building.
A third flash-bang was detonated at 12:11 p.m.
Gun fire has ceased.
A police drone has been sent inside the building.
Police and canine units entering building at 1:14 p.m.
An ambulance left the area with lights on. It is not clear who is in it.
BILLINGS - Police have surrounded a significant area of King Avenue West early Saturday morning when an armed suspect drove a vehicle through the front entrance of Big Bear Sports.
The suspect reportedly came from Walmart where employees had kicked him out of the store for attempting to steal firearms, according to police.
The suspect is armed and still in the building. It is unknown if anyone has been injured. The store was not open at the time.
Police are currently negotiating with the suspect who they have identified but are not releasing his name due to tactical reasons, according to Police Chief Rich St. John.
Police are using a bullhorn to negotiate with the man, according to an officer on scene.
The incident began around 3 a.m. when the man drove a vehicle through the entrance of Big Bear. Around 4:30 a.m. police engaged the suspect, exchanging gunfire. No officers were hit but it is not known if the suspect was wounded. A police vehicle was struck by the gunfire.
A large explosion was heard around 9 a.m. rocking the building and area immediately around the store which was determined to be a flash-bang. Bomb squad remains on scene.
Negotiating teams are on scene as well and three city dump trucks are barricading the entrance.
Law enforcement urged people to stay away from the area.
This is a developing story, check back for updates.