An alleged "kill team" en route to a planned hit near a day care centre has been intercepted in Sydney's south-west, NSW Police say.

Police said detectives saw three men on Tuesday "mobilising to carry out an offence" during a routine surveillance operation, before calling in tactical operations officers.

Two vehicles were stopped on The River Road about 3:50pm, before a "high-risk" arrest.

Images from the scene showed a Mitsubishi SUV riddled with bullet holes in the front and rear windscreens.

Two men from one car, aged 18 and 19, were arrested, and a third man, 26, from another car nearby was also arrested.

Police said during a search of the cars, two firearms were located and seized, as well as balaclavas, body-worn cameras, and jerry cans of fuel.

In a subsequent raid of vehicle

See Full Page