Two men stabbed in NSW fights

Two people have been stabbed in separate incidents in NSW.

A man is in an induced coma after being stabbed in the abdomen during a fight with another man at Tumbi Umbi on the Central Coast just after midnight.

The 26-year-old was treated by paramedics before being taken to Gosford Hospital where he underwent surgery.

A 23-year-old man has been arrested.

Meanwhile a 22-year-old man was stabbed in the head during a brawl at Darling Harbour on Saturday night.

The man was taken to hospital suffering non-life threatening injuries.

A 19-year-old man was pushed to the ground and had his mobile phone stolen during the fight and is now talking to police.