A police operation is underway in Wakeley, a suburb in Sydney's west, following reports of a stabbing on Monday night.
The New South Wales Police Force confirmed in a statement that officers attended a location on Welcome Street in Wakeley after receiving reports a number of people were stabbed.
A male has been arrested and he is assisting police with inquiries.
The injured people suffered non-life threatening injuries and are being treated by NSW Ambulance paramedics.
Police urged people to avoid the area.