WHITEWATER, Colo. (CBS4) – Deputies in Mesa County are trying to find out who shot at a school bus early Friday morning.

(credit: CBS)

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No children were on the bus at the time, and the driver wasn’t hurt.

(credit: CBS)

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It happened in Whitewater, which is off Highway 50 and south of Grand Junction.

(credit: CBS)

Authorities said they aren’t sure where the shots came from.

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The bus is out of service.