Three people are dead, including a minor, after a Philadelphia man driving a tractor-trailer crashed into their SUV in East Windsor Township on the New Jersey Turnpike Sunday afternoon, state police said. 

New Jersey State Police said the crash happened at 1:39 p.m. at milepost 64.6 in East Windsor Township, Mercer County.

State police said that Elin R. Waithe, a 44-year-old from Bloomfield, Essex County, was standing outside their parked GMC SUV on the right shoulder of the turnpike before the crash. Quacy Waithe, a 47-year-old also from Bloomfield, was in the front seat of the SUV, while two minors were in the rear of the vehicle. 

Dmitriy I. Kara, a 33-year-old man from Philadelphia, was driving a Peterbilt tractor-trailer on the turnpike, entered the shoulder and crashed into the GMC SUV, according to state police. 

State police said Elin Waithe, Quacy Waithe and a minor died in the crash. Kara had minor injuries and was taken to a local hospital. 

The crash is under investigation.