A 54-year-old man from out of town died while hiking Piestewa Peak on Sunday morning.
Phoenix firefighters say the man is a retired criminal justice detective from New Jersey who was in town visiting.
They say the man collapsed during the hike. People on the mountain tried to help him, but they were unable to.
Firefighters worked to recover the man's body from the mountain.
The man's name hasn't been released.
This is a developing story. Stay with FOX 10 News for updates.
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