UPDATE: Mom killed, 2 daughters injured in house collapse in Hamilton

One person was rescued after a three-story house collapsed on South Broad Street in Hamilton on Monday morning, authorities said.

Rescuers were working to free two other people trapped in the rubble as of 8 a.m., according to Hamilton police.

The home on the 1800 block of South Broad Street collapsed shortly before 7 a.m. The person who was pulled from the home, which is about two blocks from the Trenton border, didn't suffer serious injuries.

South Broad Street is closed in the area. It is unclear what caused the collapse.

The Hamilton Fire Department declined to comment.

Hamilton Explosion #LIVE: Chopper 3 is over a house collapse on the 1800 block of South Broad Street in Hamilton Township. DETAILS: https://cbsloc.al/2O8K6By Posted by CBS Philly on Monday, July 23, 2018

The house on South Broad Street is shown in a Google Street View image.

Jeff Goldman may be reached at jeff_goldman@njadvancemedia.com. Follow him on Twitter @JeffSGoldman. Find NJ.com on Facebook.