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8 Big Rigs Involved in ‘Chain-Reaction’ Crash on 60 Freeway in Chino Valley: Fire Dept.

Eight big rigs were involved in a collision on the 60 Freeway in Chino Valley on Tuesday afternoon, officials said.

The "chain-reaction" crash happened on the eastbound side of the highway near Central Avenue, leaving just one lane open to traffic,  the Chino Valley Fire District tweeted at 12:19 p.m.

Four patients were treated at the scene, one of them transported to the hospital with minor injuries, the agency said.

Only the carpool lane was accessible as of 3:35 p.m., with the remaining lanes expected to be closed for another hour to an hour and a half, according to the California Highway Patrol.

Officials did not shut down westbound lanes but traffic there was heavy.

Authorities provided no further information.