A fire broke out in an apartment building, starting in a first-floor unit around 4:30 a.m. Three people were rescued by firefighters, while another person jumped from the building and was taken to a hospital. The condition of the hospitalized person is not immediately known.

The fire affected at least nine units, displacing 20 people. Fire crews responded to the scene, where people were trapped on the third floor.

Further details about the fire, including its cause, are not immediately available. The incident is being handled by the Alameda Fire Department, which may have additional information.