Baltimore County police have identified a man who was fatally stabbed early today in Randallstown.Marcus Ellis, 23, of the 2400 block of Barnesley Place in Windsor Mill was found in the parking lot of a gas station at Liberty and Croydon roads.Police said Ellis was killed following a dispute that broke out about 1:30 a.m. between two groups inside the Sisters Bar on Liberty Road at Old Court Road. After the groups were told to leave the bar, they continued to fight in the bar's parking lot. They then drove to the station where Ellis was stabbed. He was pronounced dead at the scene.Anyone who has information about the incident should contact Metro Crime Stoppers at 1-866-7-LOCKUP. Callers do not have to give their names, and all calls are kept confidential.