Update: One suspect is in custody. Officers are securing the area. — Campbell Police (@CampbellPolice) February 9, 2019

Campbell Police say this started when a man inside Denny’s confronted another man in parking lot, threw a cup of coffee at him and pointed a gun. The suspect then went back inside and sat down at a booth.

Police were called. All employees & customers left. Man is alone inside. pic.twitter.com/PYJVKexq1S — Matt Keller (@MattKellerABC7) February 8, 2019

Bascom Avenue is blocked off in both directions in Campbell near the Denny’s. (Between Campbell Ave. & Shady Dale Ave.)

Standoff right now. Campbell Police trying to communicate with the man inside via loudspeaker. pic.twitter.com/9ESfRDFetX — Matt Keller (@MattKellerABC7) February 8, 2019

CAMPBELL, Calif. (KGO) -- A police standoff with a man who barricaded himself inside a Denny's restaurant is now over. It lasted almost 12 hours after the situation began.The suspect was taken into custody by police. The man was reportedly armed.Police say it started at 5:30 Friday morning when a man inside the restaurant on S. Bascom Ave. went out to the parking lot to confront another man. The suspect threw a cup of coffee at the other man, pointed a gun at him and then went back inside Denny's and sat down at a booth. The alleged victim then drove off and called police.Police called inside the restaurant and told employees to leave with any customers. About six people left at the time.The only person remaining inside the Denny's was the suspect, according to policePolice at one point used a flash-bang device to try and get the man's attention.They say Bascom Ave from Campbell Avenue to Dry Creek Road remains closed until the situation is resolved.