A crane attached to a truck toppled over onto a home in Mercer County, New Jersey, as it was moving a new hot tub into the backyard Tuesday afternoon, Hamilton Township police said.

The arm of the crane collapsed as it was moving the hot tub into a backyard on Lea Drive in Hamilton Township, at around 12:30 p.m., police said.

"For some still unknown reason that will still be under investigation, the crane collapsed onto the roof of the house," Hamilton Township Mayor Jeff Martin said.

Images captured by Chopper 3 show that the collapse led to structural damage to the home's roof.

CBS News Philadelphia

CBS News Philadelphia

CBS News Philadelphia

Hamilton Township police, fire department and members of the Office of Emergency Management responded to investigate.

Martin said Hamilton

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