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Paramus, N.J. (CBS) – New Jersey Governor Phil Murphy signed a bill into law Saturday that requires new school buses to have lap and shoulder seat belts.

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The legislation is in response to a deadly school bus crash in Mount Olive, Morris County.

The bus was headed to a field trip back in May when it collided with a dump truck.

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Governor Murphy posted a video on Twitter explaining why he signed the legislation.

A student and teacher were killed in the crash and more than 40 other people on the bus were injured.