DENVER (CBS4) – A pile of garbage at Denver Metal Recycling ignited into a second alarm blaze near Interstate 70 and Colorado Boulevard on Tuesday afternoon.

Copter4 was overhead before firefighters arrived. Once crews did, they immediately started attacking the fire.

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“Plastics and synthetics that can catch a spark and burn, and as they continue to fester they can create fire in other areas and it just built upon itself,” said Denver Fire spokesman, Greg Pixley.

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Fire at recycling facility in Denver. (credit: CBS)

“We were putting thousands upon thousands of gallons on this fire trying to get to those deep heated seeded areas,” said Pixley.

Fortunately, no one was hurt.

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Details about what caused this fire have not been released.