NEW YORK (CBSNewYork) — Five firefighters were injured in an overnight fire in Brooklyn, officials say.

The flames began in a building on Lafayette Avenue late Saturday night and spread to a second building, CBS2 reported. A third building has smoke and water damage.

READ MORE: 3 Arrested, 1 Suspect Still Wanted For Drive-By Shooting That Injured 4 In Yonkers

One of the injured firefighters had serious, but non-life-threatening injures, officials said.

READ MORE: Campaign 2021: Polls Open For Early Voting In New York City Primaries; First With Ranked Choice Voting

According to American Red Cross, three families were displaced following the fire.

The cause of the blaze is under investigation.

MORE NEWS: Biden And G-7 Partners Launch Infrastructure Initiative For Developing Countries