Pleasanton Police Sergeant Pat Walsh described the suspect as a white male in his late 20's, 5'8" to 6'0" tall, and weighing about 200 pounds. He has a slight mustache, was wearing sun glasses and had significant facial acne. He was wearing a tan fisherman's style hat and a long sleeved gray T-shirt with a silkscreen on the front.
He was last seen driving westbound onto I-580 in a brown Toyota Camry driven by a second white male adult.
Nobody was injured during the incident, which occurred at 4:40 p.m. .
Anyone with information is asked to call the Pleasanton Police Department at 925-931-5100.