It happened in the area of 55th Street and Kingsessing Avenue by the S. Weir Mitchell Elementary School.
Officials say the truck hit at least three vehicles before overturning.
Out-of-control truck crashes into playground in the Kingsessing section of Philadelphia
The owner of the truck said the vehicle was stolen a few blocks away, and the driver crashed while fleeing.
Surveillance video obtained by Action News shows the white work truck hit an SUV in the intersection before crashes into the playground.
The SUV spins and hits a car parked nearby.
Chopper 6 over scene of crash in Kingsessing
A person was trapped in one of the vehicles involved after the crash.
There was no immediate word on the number or severity of any injuries.
Stay with Action News and 6abc.com as this story develops.