BROOKLYN, N.Y. - A suspect has been charged with five counts of murder in the deaths of his cousin's wife and her four children in a stabbing rampage in their Brooklyn home.

Qiao Zhen Li and her four children were found fatally stabbed Saturday night in the Sunset Park section of Brooklyn.

Police responded to a 911 call of a person stabbed inside a house at 870 57th St. at around 10:44 p.m. Upon arrival, police say they found the 37-year-old and her four children unresponsive with multiple stab wounds.

Three children were pronounced dead at the scene. EMS crews rushed Zhen Li and another child to area hospitals, where both were pronounced dead. Police say Chen was taken into custody at the scene.

Police have identified the other victims as 9-year-old Linda Zhou, 7-year-old Amy Zhou, 5-year-old Kevin Zhou and 1-year-old William Zhou.

The motive is unknown at this time.