RIVIERA BEACH, Md. (AP) — Two Anne Arundel County firefighters were hurt when the floor in a burning home collapsed, dropping them to the basement.

The department said in a news release that a fire was reported Tuesday about 1 p.m. in a townhouse in Riviera Beach. When firefighters arrived, heavy smoke was coming from the rear of the house and a fire burned in the basement.

Officials say when firefighters entered the home, the floor collapsed and two firefighters fell to the basement. Other firefighters quickly removed them.

The department says the two firefighters, a 43-year-old male and a 38-year-old male, were treated and released at Shock Trauma.

The fire was brought under control in about 20 minutes. Officials say damage is estimated at $75,000 and the lone occupant was displaced.

The cause of the fire is under investigation.

WTOP contributed to this report.