MORRIS PLAINS - Police say three suspects attacked a teenager in the parking lot of a Stop & Shop supermarket in Morris Plains.

The incident occurred Monday near routes 10 and 202.

A passerby tried to help the 17-year-old supermarket employee being attacked, but authorities say one of the assailants pulled a gun and ran away.

The three suspects jumped into a black Dodge Charger, which was rented out of Newark Liberty International Airport.

Anyone with information on the attack is asked to call police.