Firefighters in San Francisco were able to douse a two-alarm blaze at a home in Treasure Island Sunday morning, fire officials said.

Crews responded to a report of a fire in the area of Sturgeon Street and Avenue B just before 4 a.m., officials said.

When crews arrived, a second alarm was called as a precaution, according to fire officials.

The fire, which was contained to the home, was under control at about 4:25 a.m., fire officials said.

It is unknown how many, if any, people were displaced. No injuries were reported.

The cause and extent of damage is unknown.

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