Pittsburgh Police are investigating two explosions and searching for the driver who allegedly threw an explosive device out of a moving truck on Sunday night.

“I was sitting on my couch watching TV and heard a loud boom outside. It sounded like it was right out front,” said Lawrenceville resident Jared Rackley.

That loud boom was captured on Jared Rackley’s Nest Doorbell, and so was a white pickup truck.

“The truck actually showed up within 30 seconds after the explosion and matched the pictures they had put on Twitter earlier,” said Rackley.

Read more: CBS Pittsburgh