PHILADELPHIA (CBS) – Police are investigating an accident involving a bus, a vehicle and pedestrians.

The crash happened around 4 p.m. at 7th and Lehigh. A vehicle apparently rear-ended a Route 54 SEPTA bus, then went on to strike several additional vehicles before hitting a group of pedestrians.

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While there were no injuries to the passengers on the bus, the driver was reportedly shaken up and was taken to Temple University Hospital.

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Two young pedestrians, both females, were taken to St. Christopher’s with minor injuries. They are in stable condition.

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While no charges have been filed, police believe the driver of the striking vehicle may have been under the influence.