Full Breakdown
Belleville, N.J., Warehouse Inferno Forces Evacuations and Displaces Residents
5/5/2026, 12:51:52 PM
The Blaze
On Sunday afternoon a fire ignited in a mattress warehouse in Belleville, New Jersey, spreading to an adjacent cardboard factory and a building storing large helium containers that later exploded. Winds drove flames across Cortlandt Street, destroying two homes and the Legacy Boxing Club, a gym serving 80-100 youth. Fire departments (40-50 agencies) fought a 12-alarm blaze, containing it by Monday morning; smoke lingered into the evening.
Timeline
- Sunday – Fire starts; video shows floor consumption in ~40 seconds, workers evacuate within a minute.
- Sunday evening – Upgraded to 12-alarm fire; helium containers explode as winds intensify.
- Monday – Fire contained; smoke persists; one firefighter minor elbow injury, several smoke-inhalation cases.
Key Figures & Data
- Mayor Michael Melham – assessed origin, coordinated response.
- Councilman Frank Velez – warned about chemical hazards, urged health precautions.
- Yessenia Montalvo – owner of Legacy Boxing Club, lost facility serving 80-100 youth.
- Belleville Police Dept. – set up Red Cross shelter at Friendly House (20 Florence St).
- Fire response – 40-50 agencies, low water pressure, high winds.
- Impacts – 2 homes destroyed, 1 firefighter minor elbow injury, several smoke-inhalation cases.
Official Statements
Mayor Melham said the fire likely began in the mattress warehouse and spread to nearby factories. Councilman Velez urged residents to keep windows closed, use air purifiers, and limit smoke exposure. The police directed displaced families to the Red Cross shelter. Schools will resume Tuesday, except School 9.
Criticism & Concerns
Officials noted low water pressure hampered early suppression, and health officials warned of smoke and possible chemical exposure.
On-the-Ground Video
A worker video shows the fire’s ignition, floor consumption in ~40 seconds, and rapid evacuation, confirming high winds and helium explosion.
Conflicting Reports
Authorities suspect a mattress-warehouse origin, but no definitive cause has been confirmed; helium’s role remains speculative.
Verbatim Quotes
- “We do believe the fire originated in a mattress factory and unfortunately then quickly spread to the surrounding factories, one of which was a cardboard factory,” — Michael Melham, Mayor of Belleville
- “Completely gone, we had two rings in there, we had 24 bags, we had everything the kids needed for training,” — Yessenia Montalvo, Owner, Legacy Boxing Club
- “Chemicals such as helium have been mentioned and that could contribute to the fire and the blaze and how extreme it's been,” — Frank Velez, Belleville Township Councilman
- “Your health is first and we don't want anybody to get caught in a place where they don't need to be and exposed to more smoke than we need to,” — Frank Velez, Belleville Township Councilman
Impact & Next Steps
The fire displaced families, destroyed two homes and the Legacy Boxing Club, and disrupted schooling. Health advisories stress ongoing smoke and chemical exposure risks. The American Red Cross continues shelter operations at the Friendly House. Belleville schools resume Tuesday, except School 9, while municipal officials monitor air quality and review water-pressure infrastructure.
