SOUTHWEST PHILADELPHIA (WPVI) -- Police and firefighters were on the scene of a crash involving a tractor trailer in Southwest Philadelphia.
It happened after 6:30 a.m. Friday in the 5200 block of Grays Avenue.
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Police tell Action News the trailer portion of the big rig overturned and a box truck collided with it.
There were no immediate reports of injuries.
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Motorists were being urged to avoid the area.