A MAN wanted on a NSW warrant has been arrested in the ACT over the alleged fatal stabbing in Sydney’s west on Friday.

The 24-year-old man was arrested by ACT police in Gungahlin Drive at Bruce earlier today and taken to the Civic police station where the outstanding warrant was executed.

Detectives from Nepean Police Area Command will apply for the man’s extradition.

Just before 4.30pm on Friday, police and emergency services were called to a home in St Clair  following reports a man had been stabbed.

Officers from Nepean Police Area Command arrived a short time later and found an unconscious man with serious injuries.

Police conducted CPR until the arrival of ambulance paramedics, but the man died at the scene.