Masked vigilante 'Boots' arrested in SF for brandishing fake gun while attempting to deter car break-in culprits.

Surveillance video shows a gunman involved in a shocking San Francisco shoot-out that left multiple people injured, sparking outrage from city officials.

One suspect was arrested and another was detained following a terrifying shootout near Pier 39 which saw dozens of bullets fired and multiple bystanders injured – including a 10-year-old girl.

Shocking shootout near Fisherman's Warf in San Francisco leaves six individuals, including a 10-year-old child, injured.

In one incident, two women robbed a man of his watch at gunpoint.

In one incident, a man was robbed at gunpoint in the middle of the day in the Financial District.

In one incident, eight men surrounded two teens waiting for a bus and robbed them at gunpoint.

In one incident, a man was stabbed in the back in an unprovoked attack in broad daylight.

In one incident, four suspects approached a woman in a store, then attacked her boyfriend when the couple tried to leave.

In one incident, a cyclist struck a pedestrian in a crosswalk, injuring both of them.

The victim was found on the sidewalk, and later died at San Francisco General Hospital.

In one incident, a prowler entered a man's Russian Hill garage and cut the locks to steal his five customized bicycles.

In two separate incidents, pairs of teenage boys were arrested for robbery and assault.