NEW YORK (CBSNewYork) — Police say an off-duty cop is facing drunk driving charges for a crash that left his partner in a coma.

It happened Friday on the Bronx River Parkway near the Cross Bronx.

Authorities say Officer Rafael Casiano, who works in the East Village as a housing cop, lost control of his personal vehicle, hit a divider and flipped over.

He suffered back injuries but his passenger, who happened to be his partner, suffered serious head injuries.

Casiano is also facing a vehicular assault charge.

In a separate incident, another off-duty cop was arrested for DWI Saturday morning in the Bronx.

Police say Kleaburgh Carvajal is also charged with leaving the scene of an accident and refusing to take a breath test.

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