STATEN ISLAND, N.Y. -- A 21-year-old woman is in critical condition after being shot in the head inside the Cosmopolitan Motel in Grasmere early Saturday morning, an NYPD spokeswoman said.

The victim and her boyfriend were inside their motel room at 1274 Hylan Blvd. just before 3:30 a.m. when a man walked in and started arguing with the couple, police said.

The pair began to beat up the man, when another man walked into the room and shot the woman in the head, police said.

The shooter and the other man then fled in a black SUV heading south on Hylan Boulevard, police said.

The woman was transported to Staten Island University Hospital, Ocean Breeze, in critical condition, police said.

Police could not immediately provide additional details.