Five arrested over teen stabbing in Sydney

Two teens and three men have been arrested after a 16-year-old boy was stabbed in the stomach during a brawl in a western Sydney unit at the weekend.

Two 17-year-olds, two 18-year-olds and a man aged 20 were arrested at their homes scattered around Sydney's west and southwest on Thursday morning following police investigations into a fight in Guildford on Saturday night.

The 16-year-old has undergone surgery and remains in hospital in a serious but stable condition.