A Silver Alert was activated Tuesday for a missing 74-year-old man who was last seen in Covina. Vahik Baghoomian was last seen about 7 a.m. Tuesday near West Covina Boulevard and North Azusa Avenue, according to the California Highway Patrol, which issued the alert on behalf of the Covina Police Department. Baghoomian was described as 6 feet 1 inch tall, weighing 180 pounds, with gray hair and brown eyes. He was last seen wearing a white T-shirt…