Firefighters at the scene of the Young Street apartment fire this afternoon. No one was injured. Joaquin Siopack

Firefighters said no one was in the apartment when the blaze started, and no injuries were reported.

The fire was reported about 5:58 p.m. in a third-floor unit at 2064 Young St. About 14 firefighters got to the scene by 6:03 p.m.

The fire was under control within four minutes.

Battalion Chief Nathan Ramos said the cause of the fire is under investigation.

The blaze did not spread to adjacent units.