Teenager charged with fatal Sydney stabbing

A 17-year-old teenager has been charged with murder over the fatal stabbing of a young man at Parramatta Station.

The 20-year-old victim died at Westmead Hospital after he was found with a serious stab wound to his chest just after 5am on Saturday, police say.

The 17-year-old, who was among three males arrested on a nearby street, is due to appear before a children's court later on Sunday.

A 20-year-old who was arrested with him was charged with affray and was bailed to appear at Parramatta Local Court on October 31.

AAP