A MAN and teenage boy have been stabbed after a large house party was gatecrashed on the NSW central coast overnight.

Officers rushed to the home on Palm Valley Road at Tumbi Umbi around 8.00pm on Friday, following reports of the stabbing.

“Police have been told a number of people have gate crashed the party of approximately 300-400 people, when an argument ensued, resulting in two males allegedly stabbed,” NSW police said in a statement.

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A teenage boy was treated at the scene for a stab wound to his chest before he was taken to Gosford Hospital in a stable condition.

A man aged in his early 50s was also treated at the home by paramedics for a stab wound to his leg.

He was airlifted to John Hunter Hospital in a stable condition.

Three males were arrested in a car nearby and taken to Wyong Police Station where they are assisting officers with inquiries.

A crime scene has also been established, and a vehicle was seized which will be forensically examined.

Anyone with information is urged to come forward.

If you have information for Police, please contact NSW Police on 131 444 or provide information using their online form 24 hours per day.

You can report also information about crime anonymously to Crime Stoppers by calling 1800 333 000 or via nsw.crimestoppers.com.au 24 hours per day. Crime Stoppers is a registered charity and community volunteer organisation.