Dispute with NSW neighbour gets violent

A Sydney man is in hospital with a stab wound after an alleged dispute with his neighbour.

Police were called to a home in St Clair, in the city's west, shortly after 10pm on Monday.

They found a man with a stab wound to his abdomen; he has been taken to Westmead Hospital in a stable condition.

A neighbour of the man is assisting officers with their inquiries at Penrith police station.