A man has died after police were called to a fourth Sydney stabbing in 24 hours.
Police say three youths are in custody after a man was found seriously wounded at the Parramatta Station bus interchange on Fitzwilliam Street about 5am.
The 20-year-old victim was taken to Westmead Hospital in cardiac arrest, where he later died.
The trio aged 16, 17 and 19 were arrested at nearby Hassall Street, and have been taken to Parramatta Police Station where they are assisting with inquiries.
No charges have yet been laid.
The killing follows three other separate stabbing incidents within 24 hours. The first happened just before 4pm on Friday, when a man approached a 66-year-old driver stopped at a Merrylands intersection and allegedly stabbed him in the chest with a knife.
Police allege the man then stabbed the victim again, partially severing his left ear, then tried to stab him a third time but the victim grabbed the knife, cutting his hand in the process.
The man, 29, fled after allegedly stealing a garage door opener. The victim was taken to Westmead Hospital in a serious but stable condition.
Police claim the man stole a Holden Calais in the same suburb a short time later and tried to then sell it before being arrested and charged with attempted murder, armed robbery with wounding, steal motor vehicle and malicious damage. He was refused bail to appear at Parramatta Bail Court on Saturday.
In another incident, a Lakemba resident was stabbed in an alleged attempted robbery after listing a phone for sale. Police say the 41-year-old