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Nashua Explosion: Investigation Underway After Massive Blast

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  Published in Automotive and Transportation on Thursday, February 26th 2026 at 5:01 GMT by WMUR
      Locales: New Hampshire, UNITED STATES

NASHUA, N.H. - February 26th, 2026 - A massive explosion and subsequent fire ripped through a commercial district on Daniel Webster Highway in Nashua, New Hampshire, this past Saturday, leaving a trail of destruction and prompting a large-scale emergency response. The incident, which occurred shortly before 9:00 a.m., resulted in substantial damage to multiple buildings and has triggered an ongoing investigation to determine the cause.

Initial reports from Nashua Fire Rescue confirmed the explosion, with a statement released Saturday morning stating, "We can confirm that there was an explosion and fire on Daniel Webster Highway in Nashua. Multiple buildings have sustained damage. We are working to determine the extent of the damage and any injuries."

While initial information was limited in the immediate aftermath, over the past few days investigators have begun piecing together the events leading up to the blast. Early speculation centered around a possible gas leak, given the intensity of the initial explosion and the widespread fire that followed. However, authorities have now broadened their scope, investigating potential industrial accidents, structural failures, and even the possibility of foul play, although that remains a low probability.

The impacted area along Daniel Webster Highway is a bustling commercial zone, housing a mix of businesses including a light manufacturing facility, a wholesale food distributor, a small auto repair shop, and a recently opened co-working space. The manufacturing facility, identified as 'Precision Dynamics,' appears to have borne the brunt of the blast. Witnesses reported seeing the roof collapse and significant structural damage to the building's exterior. The wholesale food distributor, 'Apex Foods,' suffered extensive fire damage, with concerns about potential hazardous materials released from refrigeration systems and stored goods.

As of today, the number of confirmed injuries stands at 14, with three individuals transported to area hospitals with critical injuries. Nashua Mayor James O'Connell held a press conference yesterday, expressing his concern for the injured and assuring the community that a thorough investigation will be conducted. "Our hearts go out to those affected by this tragic event," Mayor O'Connell stated. "We are committed to providing support to the victims and their families, and ensuring that the responsible parties are held accountable."

The immediate aftermath of the explosion saw a large perimeter established around the affected zone, diverting traffic and restricting access to residents and businesses. Hazmat teams were deployed to assess potential environmental hazards, including the release of asbestos from damaged buildings and the runoff of fire retardants into nearby waterways. The Environmental Protection Agency (EPA) is also assisting with long-term environmental monitoring.

Local businesses not directly impacted by the explosion have also suffered, due to road closures and a general decline in foot traffic. The Nashua Chamber of Commerce is coordinating relief efforts to support these businesses, including providing financial assistance and marketing support. A community fund has been established to collect donations for victims of the explosion.

Investigators from the State Fire Marshal's Office, the Nashua Police Department's arson unit, and federal agencies, including the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), are meticulously combing through the debris, analyzing potential ignition sources and gathering evidence. The ATF's involvement indicates the potential for a larger-scale investigation, particularly if evidence suggests criminal intent.

The long-term impact of the explosion on the Nashua community remains to be seen. The demolition of structurally unsound buildings will be necessary, and the reconstruction process is expected to take months, if not years. City officials are working to develop a comprehensive plan for revitalizing the affected area, ensuring it remains a vibrant part of the Nashua landscape. The investigation is ongoing and WMUR will continue to provide updates as more information becomes available. Residents are still urged to avoid the area unless absolutely necessary.