Firefighters Saturday were picking up hoses and finishing mop-up of a fire that ignited in the Santa Ana River bottom in Riverside and burned 64 acres.
The blaze, which had been burning since Thursday morning and briefly threatened nearby homes, was fully contained Friday.
Firefighters spent the night patrolling the burn area looking for any lingering hot spots, according to the Riverside City Fire Department.
Investigators believe the fire originated at a homeless encampment.
Fire officials said the bike path between Anza Narrows Park and Rubidoux remained closed.
No injuries or damage to structures was reported.
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