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BUTLER TOWNSHIP (KDKA) — A state trooper’s cruiser was struck by a tractor-trailer in Butler County Wednesday morning.

The accident happened after 10:30 a.m. in Butler Township, near the intersection of New Castle and North Duffy Roads.

According to state police, the trooper was heading to a separate crash and had its lights and siren on when the tractor-trailer slammed into the cruiser.

(Photo Credit: Butler Eagle)

The trooper was taken to the hospital to be checked out, and was later released.

The driver of the tractor-trailer, identified as 40-year-old Keith Wheeler of Ohio, was not hurt.

The cause of the crash is still under investigation.