PITTSBURGH - Two employees were stabbed while in the process of firing another employee at a restaurant in Pittsburgh’s Mount Washington neighborhood, police said. The stabbing at Bigham Tavern on Bigham Street was reported about 11:30 p.m. Wednesday. Investigators said the victims were firing 40-year-old Jaymar Gilbert, of Garfield, when a physical altercation began. Gilbert pulled out a knife and stabbed the two employees, police said