A 30-year-old man was stabbed in the chest by his 25-year-old girlfriend, who is now under arrest, police said.

The Bronx bloodshed occurred at 5:30 a.m. outside East 162nd Street and Keller Avenue in the South Bronx, police said.

The victim was taken to Lincoln Hospital with non-life-threatening injuries and the woman was “in custody,” an NYPD spokesman said. Charges are pending and there was no immediate word on what sparked the stabbing, police said.