A New York City schoolgirl is fighting for her life after being shot in the head by her father.

Jonathon WalkerTwelve-year-old Christina Walker was rushed to Long Island Jewish Hospital early this morning after she was shot in the head by her father, Jonathon.

An update on her condition was not available at press time.

Police said a terrified Christina called 911 shortly after 5:30 a.m. Saturday after her 34-year-old father opened fire in their Queens home killing her 31-year-old mother, Shantai Hale; her 61-year-old grandmother, Viola Hale; and her 7-year-old sister, Kayla.

A hulking Walker, who worked as a bouncer at clubs in NYC, then fled the scene of the crime in his GMC Arcadia. Police later found his body in his vehicle. They said he shot himself in the head with the same weapon he used to kill his family.

A motive for the murder-suicide was not available at press time, but there are reports that say Walker, who played pro basketball in Portugal in 2008-2009, had been drinking with his friends Friday night.