Multiple-alarm fire - Wikipedia
One-alarm, two-alarm, three-alarm fires, etc., are categories of fires indicating the level of response by local authorities, with an elevated number of alarms indicating an increased number of phone alarms went off during the fire.

5 Alarm Fire & Safety
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5-alarm fire destroys Ayer apartment house - Lowell Sun Online
AYER -- A five-alarm fire on East Main Street that left several people without a home Sunday afternoon was started by careless disposal of smoking materials.

5 alarm fire rips through row of stores in the Bronx ...
A five alarm fire rips through a row of stores in the Bronx. ABC 7 Eye Witness News NYC A massive five-alarm fire broke out in Fordham in the Bronx at around 5:30 a.m. on Tuesday morning, and firefighters are battling back the blaze, the New York City Fire Department confirmed to Business Insider.

Man dies as 5-alarm fire destroys apartment building in ...
Man dies as 5-alarm fire destroys apartment building in Biddeford. The fire, which left 34 people homeless, kills an 88-year-old man who 'just couldn't get out' and damages the neighboring building.

5-alarm fire breaks out at St. Louis warehouse - CBS News
A five-alarm fire burned for much of the day and into the night at a warehouse in St. Louis where at least 80 firefighters responded to battle the flames.

FDNY on Instagram: “"Mike had the nozzle at that fire. We ...
11.5k Likes, 232 Comments - FDNY (@fdny) on Instagram: “"Mike had the nozzle at that fire. We had a difficult fire, and he sustained a burn injury but…”

120 firefighters fight 5-alarm fire on St-Denis | CBC News
A fire broke out in the cellar of the Universel restaurant on St-Denis Street, closed three blocks and cut power in the area Sunday morning.

Intense 5-alarm fire in North Philly destroys four-story ...
Robert Moran covers local news in the Philadelphia region. Firefighters battled a massive five-alarm fire Friday evening in what appeared to be an unoccupied warehouse-industrial building in the Swampoodle section of North Philadelphia. Officials said the blaze was in a four-story building in the ...

5-Alarm fire destroys downtown Raleigh, NC, apartment ...
A raging fire overnight March 16, 2017, destroyed the construction project that was to have been The Metropolitan apartment building in downtown Raleigh, NC, and damaged another residential building across the street.