Gas Explosion at Nashua Mental Health Facility Injures Three Firefighters

Gas Explosion at Nashua Mental Health Facility Injures Three Firefighters

Nashua, NH — February 3, 2026 — A gas explosion occurred at the Greater Nashua Mental Health facility on Amherst Street, injuring three firefighters. Fortunately, all occupants evacuated safely.

Incident Details

On Monday afternoon, firefighters responded to a reported gas odor at the facility. While investigating, the explosion occurred, causing part of the building to collapse. The three injured firefighters were transported to a hospital with non-life-threatening injuries. Approximately 40 people were inside the building at the time and were safely evacuated.

Investigation and Community Response

The New Hampshire State Fire Marshal’s Office is investigating the cause of the explosion, including the possibility that falling ice damaged the gas line. Authorities issued alerts to nearby residents and businesses, advising them to extinguish any open flames and prepare for potential evacuation. Governor Kelly Ayotte praised the heroic efforts of first responders.

Impact on the Community

The explosion caused significant damage to the facility, with debris scattered in the surrounding area. The mental health center, which provides services for substance misuse, the deaf, and older adults, is located on a busy commercial road about 45 miles north of Boston. Cold weather conditions hampered firefighting efforts by affecting water access.

Weather Conditions

The incident occurred amid a lengthy cold spell in the Northeast, with temperatures in the upper 20s and low 30s on Monday. The cold weather affected firefighting operations, particularly in accessing water to combat the flames.

Community Support

In response to the incident, local organizations are providing support to those affected. The American Red Cross and the Salvation Army – Nashua Corps are assisting displaced residents with temporary housing, casework services, supplies, and emergency support services. Community members interested in helping can donate to these organizations to support the recovery efforts.

Stay Informed

Residents are encouraged to stay informed through official channels and adhere to any safety advisories issued by local authorities. The investigation into the cause of the explosion is ongoing, and updates will be provided as more information becomes available.

Sources

• Gas explosion in New Hampshire sparks a fire at a mental health facility | WBUR News
• 3 firefighters hurt in gas explosion at medical building in Nashua, NH | NBC Boston
• Six alarm fire destroys homes on Ash and Vine streets | The Nashua Telegraph