The multi-vehicle crash happened along interstate 79 northbound between Exit 96: PA 488 - PORTERSVILLE/PROSPECT and Exit 105: PA 108 - SLIPPERY ROCK, according to PennDOT.
Multiple medical vehicles, including helicopters were called to the scene just after 5 p.m., according to numerous broadcast news reports and as seen on PennDOT's 511pa.
The crash involves a school bus, as reported by WPXI.
All northbound lanes of I-79 are closed in the area of Worth Township, Butler County.
The number of vehicles involved and condition of the persons injured is not immediately available.Follow Daily Voice for updates.
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