A six-alarm fire consumed a Redwood City, Calif., apartment on Thursday morning.
Firefighters told NBC Bay Area news that several people may be injured, but details are not yet available.
The fire was reported at 5:30 a.m. in the 900 block of Woodside Road, or Highway 84.
The roof collapsed and flames engulfed the entire top floor as of 6:15 a.m., reports ABC 7. The cause has not yet been determined.