A truck carrying about 100 monkeys was involved in a crash Friday in Pennsylvania, state police said as authorities searched for at least three of the monkeys that appeared to have escaped.

The truck carrying the animals crashed with a dump truck in the afternoon in Montour County, Pennsylvania State Police Trooper Andrea Pelachick told the Daily Item.

The truck had been on its way to a lab, Pelachick said.

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Authorities have asked residents who might see the monkeys to call state police at 570-524-2662.

It was unclear if any people or animals were injured in the crash.