Preliminary reports are that the shooter was on a rooftop overlooking the finish line at City Parkade on C street, according to NBC San Diego.

According to initial reports, an armed person - who is supposedly female - was firing from a rooftop. At least four people were reportedly shot, although their current conditions is unknown. The suspect is said to be in custody, and one police officer reportedly accidentally shot himself in the confusion.

Minutes later, police told City News Service in San Diego that the situation "had been contained."