State police in Chambersburg said they took an 18-year-old Harrisburg man and six juveniles into custody Wednesday night after a chase on Interstate 81.
Police said the vehicle had been stolen in Harrisburg before troopers were notified by OnStar that it was headed south on I-81 at the Scotland exit.
Troopers attempted to stop the vehicle, but the driver struck a state police patrol unit and fled at more than 90 miles per hour, police said.
The vehicle was eventually stopped and all seven occupants were taken into custody.
The adult, Travon Scott of Harrisburg, was sent to Franklin County Jail. The juveniles were placed in the Abraxas Youth Center and were not identified.
Police said two 17-year-old boys, a 16-year-old girl and a 15-year-old girl are from Harrisburg, another 16-year-old girl is from Carlisle, and a second 15-year-old girl lives in Mount Holly Springs.