San Francisco police have stepped up security after three people were injured in a shooting Thursday at Dolores Park in San Francisco.
All victims, two men and a boy, were transported to trauma centers. One of the victims is suffering from life-threatening injuries and the other two victims were transported with non-life threatening injuries.
A witness told NBC Bay Area a group of about five to six people wearing bandanas approached a group on a foot bridge at the park. One of the people opened fire, hitting three victims, according to the witness.
Police are still searching for suspects and are asking the public to report anything they saw by calling the SFPD Anonymous Tip Line at 415-575-4444 or Text a Tip to TIP411 with SFPD at the beginning of the message.
Church Street between 18th and 19th streets are expected to be closed until late Thursday while police process the crime scene.