In a tweet, Fresno Fire officials said at least five crews fought the flames between Belmont Avenue and Highway 180.
Officials say they've received reports that an arsonist may have started the fires, but no further information was provided.
5 fire crews are currently fighting multiple fires along Hwy 99 between Belmont & 180. Reports of suspected arson. CHP has been requested for traffic control. pic.twitter.com/gAg0HcMoEe— Fresno Fire PIO (@FresnoFire) September 29, 2021
The California Highway Patrol was called to help control traffic.
It's unclear if anyone was injured.