BRISTOL, Pa. (Bucks County) — Emergency crews are responding to a major incident at the Silver Lake Nursing Home following a reported gas explosion that caused a partial building collapse.

The incident occurred at approximately 905 Tower Road, where a second alarm and a Level 2 Mass Casualty Incident (MCI) response were requested as conditions escalated.

First-arriving units reported significant structural damage to the facility, prompting an immediate search-and-rescue operation for residents and staff.

Authorities on scene indicated that approximately 15 patients were initially accounted for outside the building, while multiple others remain unaccounted for.

Rescue teams have reported numerous individuals trapped beneath debris on the second floor, as well as additional victims trapped in the basement area.

At least two fatalities has been reported in the basement, according to early emergency communications.

As the situation developed, a third alarm was transmitted, bringing in substantial mutual aid resources, including out-of-county fire, rescue, and emergency medical units. A medical helicopter has been placed on standby in anticipation of critical patient transport.

Emergency personnel continue to conduct systematic searches of the damaged structure while assessing stability concerns and coordinating patient triage.

The extent of injuries and the total number of victims have not yet been confirmed.

Road closures are in effect in the surrounding area as emergency operations continue. Officials have advised the public to avoid the scene to allow responders unobstructed access.

This remains a rapidly evolving situation.

Authorities are expected to release additional information as more details are confirmed.