BRISTOL, Pa. — A tragic explosion at a Pennsylvania nursing home has left two people dead and multiple residents unaccounted for. The blast happened on a Tuesday afternoon, prompting immediate rescue operations. Witnesses described a chaotic scene with flames and smoke engulfing parts of the building. Emergency responders, including firefighters and rescue teams, bravely worked through rubble with heavy machinery and drones searching for potential survivors. Investigators are now looking into a possible gas leak as the cause of the explosion, which occurred after utility workers were called in to assess a reported gas odor. Concerns were also raised regarding the nursing home's previous safety violations. As the community mourns, officials vow to ensure accountability and enhance safety measures.