A 16-year-old boy has been fatally stabbed in a western Sydney home.

Emergency services were called to the Ropes Crossing house early on Saturday morning to find the boy suffering a stab wound.

Police performed CPR before paramedics arrived but the boy died at the scene.

Detectives from Mt Druitt Police Area Command are now investigating, assisted by the state’s homicide investigations squad.

NSW Police will give an update later on Saturday morning.

Anyone with information is urged to contact Mt Druitt Police or Crime Stoppers on 1800 333 000.