MINNEAPOLIS (WCCO) – One person was hospitalized following an overnight apartment fire in St. Paul.

The St. Paul Fire Department says crews responded shortly after 1 a.m. to the fire in a unit on the 500 block of Cleveland Avenue South.

READ MORE: Angela Jones Indicted For St. Cloud Murder

The fire was contained to one unit, but it displaced three families, which are being helped by the Red Cross.

READ MORE: U.S. Bank Stadium Hosting Indigenous Bowl For Native American Athletes: 'This Is Only The Start To Something Big'

The person who was hospitalized suffered non-life-threatening injuries, fire officials say.

MORE NEWS: Federal Medical Teams Provide COVID Aid At HCMC

The cause of the fire is under investigation.