A 25-year-old man has been shot several times at Erskine Park in Sydney's west.
Residents near the home on Fantail Crescent reported sounds of gunfire just before 9pm on Thursday.
Emergency services attended the scene and located the man suffering from multiple gunshot wounds.
He was treated at the scene by paramedics and rushed to hospital in a critical condition.
A crime scene has been established and an investigation has been launched into the shootings.