A massive fire erupted near Phoenix on Wednesday morning following a train derailment, authorities said.
Tempe firefighters, paramedics and police rushed to a rail bridge over Tempe Town Lake.
"This is a coordinated attack with several agencies fighting the fire involving multiple train cars," Tempe police Det. Natalie Barela said in a statement.
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"The cause of the derailment has not been identified. This is a very fluid and active scene."
The accident forced closure of Loop 202, a major thoroughfare of the metropolitan Phoenix area, in both directions near the fire, the Arizona Department of Transportation said.