About 12.50pm today, emergency services were called to Bunnerong Road, Phillip Bay, following reports of a crash, NSW Police say.
On arrival, police found a Toyota Corolla and a Daihatsu YRV hatchback had collided, causing the Toyota Corolla to roll on its roof.
The driver of the Toyota Corolla, a 17-year-old male and a 15-year-old male passenger were both treated by NSW Ambulance Paramedics.
The 17-year-male was taken to St Vincent’s Hospital and 15-year-old male was taken to Sydney’s Children Hospital, both with non life-threatening injuries.
The driver of the Daihatsu YRV, a 76-year-old woman was initially trapped before being treated by NSW Ambulance Paramedics. She was taken to St George Hospital with non life-threatening injuries.
Officers from Eastern Beaches Local Area Command and the Crash Investigation attended the scene and an investigation into the crash is underway.
The road remains closed and traffic diversions are in place.
Police are urging anyone with information in relation to this incident to call Crime Stopers.