Police: Stepfather taken into custody after 4-year-old found dead in Gowanus Houses

Police say a 4-year-old boy was found dead in the Gowanus Houses Sunday morning and have taken his stepfather into custody.
They say they were called around 5:30 a.m. and discovered the boy unresponsive and unconscious.
EMS transported the boy to a Brooklyn hospital where he was pronounced dead. The cause of death has not been confirmed yet.
Police say the investigation is ongoing.