Newtown police are asking for the public's help and looking for a commercial vehicle that may have been in the area of a deadly pedestrian crash Thursday night.

The police department responded to Hawleyville Road near the exit 9 westbound off-ramp around 6:15 p.m.

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Police are looking for anyone who may have seen a commercial vehicle parked on the side of the road in front of Papa Al's shopping center.

"We appreciate everyone's assistance by staying clear of the area until the investigation is complete," police said in a statement.

Authorities said a person died in the crash, but their identity wasn't immediately made available.

The road is closed until further notice, and the crash remains under investigation.

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