Three people have died after a collision between a truck and a car in Sydney’s south-west. 

A major emergency response unfolded just before 11.30am following the crash at Bow Bowing near Campbelltown.

Emergency services were called to Campbelltown Road, Campbelltown, following reports a truck and car had collided.

The male driver, aged 74, and two passengers, a man and a woman, were treated by NSW Ambulance paramedics but sadly died at the scene.

A 75-year-old woman and 44-year-old man, who were also in the car, were taken to Liverpool Hospital in a stable condition by paramedics.

The driver of the truck, a 59-year-old man, was taken to Campbelltown Hospital for mandatory testing.

Below is the truck involved in the incident

Inspector Stephen Fulton said NSW Ambulance Inspector Stephen Fulton says crews responded to the incident with 11 ambulance units, including two rescue helicopters.

“Paramedics arrived to a distressing scene, where they’ve assessed five patients and determined that unfortunately, three of those patients were deceased.

“It was a confronting incident, the vehicles were badly damaged, there was debris everywhere and there were a number of distressed bystanders.

“I’d like to commend the paramedics and other emergency service personnel involved in this incident. They’ve performed admirably under challenging circumstances.”

Campbelltown Road remains closed in both directions between St Andrews Road and Williamson Road.