SAN FRANCISCO – Two people were killed and five others injured in a shooting Sunday evening at Seattle Center, where the Bite of Seattle food festival was underway, authorities said.

The Seattle Fire Department said two victims were pronounced dead at the scene. Four others – a two-year-old boy, a 23-year-old man and two adult women – were taken to Harborview Medical Center.

A 40-year-old woman with minor injuries was treated at the scene and declined transportation to a hospital.

Harborview Medical Center said one woman was in critical condition and undergoing surgery, while the other hospitalized patients were in satisfactory condition.

Police and emergency crews responded shortly after the shooting occurred and evacuated the area. Authorities asked the public to avoid Seattle Center while the investigation continued.

Police have not released information about any suspect or a possible motive.