Man arrested over Sydney home stabbing

A 21-year-old man has been arrested over a stabbing in inner Sydney that seriously injured one man and left another fighting for his life.

The man was arrested at a Blacktown home in western Sydney about 10pm on Saturday.

A 25-year-old man remains in a critical condition and a 20-year-old man is in a serious but stable condition after they were stabbed at their Chippendale home on Saturday morning.

Both men were taken to the Royal Prince Alfred Hospital.

Police have said three men wearing black hooded tops were seen fleeing the scene, and that the attack was targeted.

The 21-year-old man was charged with aggravated break and enter and two counts of committing a serious indictable offence - wounding.

He was refused bail to appear at the Parramatta Bail Court on Sunday, and is due to reappear at the Central Local Court on Wednesday.