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FISHERS, Ind. – More than two dozen vehicles were involved in a pileup on 96th Street between Hazel Dell and Allisonville Thursday morning.

According to investigators, a wintry mix created black ice that led to the crash, which happened around 6:50 a.m. Thursday in the westbound lane of 96th Street on the bridge over the White River. Emergency responders said 30 vehicles were affected.

Four people went to the hospital with non-life-threatening injuries, officials with the Fishers Fire Department said. Two people reported minor injuries but didn’t go to the hospital. Ten people were checked for injuries at the scene and released.

A Carmel Clay Schools bus arrived at the scene to keep drivers safe and warm while crews sorted out the crashes. Westbound 96th Street was closed for more than two and a half hours during the incident. The road reopened just after 9:30 a.m.

Seventeen of the vehicles had to be towed, officials said. The Fishers Fire Department and Carmel Fire Department responded to treat the injured and handle any fluids leaking from damaged vehicles. The Hamilton County Sheriff’s Department is the lead investigating agency.