SOMERVILLE, N.J. (CBSNewYork/AP) — A funeral was held Monday for a Summit, New Jersey police officer who was killed last week in a car crash as he drove to work.

Officer Matthew Tarentino’s funeral was held at the Immaculate Conception Church in Somerville. The 29-year-old officer died in a three-car crash on Interstate 78 in Bernards Township last Tuesday.

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State police say a 68-year-old Pennsylvania man crossed the median into eastbound lanes and slammed head-on into Tarentino’s car, which flipped and hit a third car. The 68-year-old driver was also killed. A third man suffered non-life-threatening injuries.

Tarentino served five years in the police department and was posthumously promoted to detective on Wednesday. He leaves behind two young sons and a wife pregnant with their third child.

The Summit Police Athletic League has launched a fundraiser for the family. For more information or to contribute, click here.

(© Copyright 2017 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)

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