SAN FRANCISCO (CBS SF) — Firefighters in San Francisco quickly brought a one-alarm fire in a Visitacion Valley home under control Monday morning.

The fire at 314 Tocoloma Ave. was first reported by fire officials on Twitter at 10:25 a.m.

Heavy smoke was reported coming from the second floor of the two-story home.

The fire was reported under control by 10:35 a.m. with no injuries, fire officials said.

A fire department spokesman said it was not yet clear if anyone had been displaced by the blaze, which remains under investigation.