MIDDLETOWN, Ohio-- Authorities say a southwest Ohio highway pileup involving as many as 85 vehicles has left one person dead.

A 12-year-old girl died in the I-275 pileup outside Cincinnati and at least 20 were injured.

Police say a12-year-old girl was killed and dozens hurt in a part of crashes that closed parts of Interstate 275 and southbound I-75 on Monday morning.

The crashes were reported in the westbound and eastbound lanes of I-275 at Hamilton Avenue and on southbound I-75 between Middletown and Monroe at the 31 mile marker.

TheI-275 crash involved 70 passenger vehicles and 16 commercial vehicles. The girl who was standing outside of a stopped vehicle was struck and killed, authorities said.

Atleast 20 people were taken to area hospitals.

The Interstate 275 crash was one of four pileups that snared dozens of vehicles in the state on Monday.

Parts of the state saw scattered snow showers Monday, with isolated pockets of heavier snowfall.

A State Highway Patrol dispatcher says as many as 50 vehicles could be involved in a pileup on I-75, between Middletown and Monroe. Minor injuries are reported.

The patrol says four semitrailers and about 20 cars were involved in an afternoon pileup on I-71 near Mansfield.

Lanes of I-270 have been reopened following a multi-vehicle crash near Columbus.