Police investigate stabbing death of young father left at hospital

Police are continuing to piece together the final movements of a young father who was left at a Sydney hospital suffering a fatal stab wound.

Detectives said Justin Hennings, 25, arrived at Campbelltown Hospital, in the city's west, about 9pm last night with a stab wound to his torso.

Police said he had been driven to the hospital by someone and dropped off at the emergency department.

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The father of one died shortly after due to his injuries.

Police have searched the hospital for clues, and have spoken to the owner of the car that was seen dropping Hennings off.

Detectives have also set up a special strike force to investigate the circumstances surrounding his death.

Anyone with information that may assist Strike Force Taralye investigators is urged to contact Crime Stoppers on 1800 333 000.

Second stabbing in Sydney

Meanwhile, a 15-year-old was rushed to hospital in Sydney's north-west after being found with a stab wound.

Emergency services were called to Fred Caterson Reserve, on Caterson Drive at Castle Hill, at 2.50pm where they found the teenager.

His condition isn't known and NSW Police said they are investigating.