Bowling balls are being thrown at cars in Missouri, police say

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(CNN) -

Someone is hurling bowling balls at vehicles and police are trying to track down the culprit before other drivers become victims.

The incidents have happened on roads in St. Louis County, Missouri, including on a busy interstate.

"It was a horrible experience," driver Teresa Seavey said.

Seavey said a man walking along a roadway rolled a bowling ball underneath her vehicle. She said she thinks he wanted to carjack her.

In one incident, a man said a bowling ball was hurled at his windshield. He estimates the damage to his vehicle to be about $6,000.