A woman was arrested by the San Diego police who held a gun to her head and fired multiple gunshots in a downtown parking garage near which a marathon was underway, authorities said on Sunday. According to Sergeant Tom Sullivan, the incident occurred before 11 am (local time) when a call about a hit-and-run offence was reported. The police later found the woman under a parked a car on the 8th level of the parking garage. She was the arrested and taken into custody.