An early-morning fire has displaced residents from their apartment building in Schenectady.

Firefighters received a call at around 2 a.m. reporting a structure fire at a four-unit apartment building at 1029 University Place. Smoke could be seen from the rear of the second floor upon arrival, fire officials said.

The fire was contained to the second-floor apartment, which had smoke and water damage. It was extinguished in 25 minutes.

No one was injured.

The Red Cross is helping five occupants of the apartment.

The cause is under investigation.