Photos: Police search for suspects after a mass shooting in San Bernardino

Employees and other survivors are evacuated by bus from the site of the shooting.

An aerial view shows the California Department of Developmental Services Inland Regional Center in San Bernardino.

A SWAT vehicle carries police officers near the scene of the shooting.

People line up as first responders come to the area.

Two women comfort one another at the scene.

A spent cartridge lies on the ground.

Police officers secure the area.

A woman wipes her tears while family members gather to pick up survivors.

A victim of the shooting is taken to an ambulance.

Rescue crews tend to the injured in the intersection outside the center.

First responders transport an injured person at the scene of the shooting.

Police at the scene of the shooting.

First responders gather on a nearby street corner as victims are treated.

Police officers transport bystanders from the scene.

Armored vehicles surround an SUV in a manhunt to find one or more shooters.

Officers search for the suspects responsible for the shooting.

Police man a blockade near the shootout about a mile from the site.

A police helicopter flies over emergency vehicles.

Authorities search the area for a suspect.

An officer deploys tape around an area near where police stopped a vehicle.

Police vehicles take over the streets in a manhunt to find a suspect.

Police arrive at the scene of a shootout a mile from the conference hall.

Police vehicles crowd a street during the manhunt.

A SWAT team arrives at the scene of the shootout in the back of a pickup truck.

Police at the scene of the shootout, a mile from the conference hall where 14 people were killed.

Law enforcement officers search for the suspects.

Officers search a neighborhood following the shooting.

An officer stands guard outside a home linked to the suspects.