EDISON -- Police say a 21-year-old was driving drunk when he crashed his car early Saturday morning, killing one of his passengers, authorities said. 

Mandeep Singh, of the township, was driving on Old Post Road just after 5 a.m. when he veered off the road and smashed into a tree near Preston Street,  Middlesex County Prosecutor Andrew Carey said in a release. 

Singh has been charged with driving while intoxicated and death by auto, Carey said. 

Joel Patrone, 22, also of the township, was taken to Robert Wood Johnson University Hospital, where he was pronounced dead an hour later, according to authorities.

Singh and another passenger, a 22-year-old woman from the township, were taken to Robert Wood Johnson University Hosptial as well, authorities said. Both are listed in stable condition. 

The crash is still under investigation. 

CMcCarthy@njadvancemedia.com. Follow him on Twitter @createcraig and on Facebook here. Find NJ.com on Facebook. 

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