CAUGHT ON VIDEO: Car left running at Watertown gas station stolen

Watertown police is investigating after they say that a Black Nissan Altima that was left running was stolen from a gas station Sunday morning.
The incident happened around 10:15 a.m. outside the Shell Gas Station on Straits Turnpike.
Surveillance video shows another car pulling up alongside the Nissan.
A passenger gets out of the vehicle and into the Nissan and both cars take off.
Police say the car was left running while the driver went into the store.