One-Year-Old Boy Dead After Reports He Was Left In Hot Car

A baby boy has died and police have been told he may have been left in a hot car.

Officers rushed to a home at Ohagan Street at Chester Hill, in Sydney's west, around 3.30pm on Sunday after reports a baby boy had been found unconscious.

Ambulance paramedics attended the scene, but the child was unable to be revived.

10 daily understands police were initially called to the scene after receiving reports a boy had been in a hot car, but the boy was found inside the home when officers arrived.

"Officers from Bankstown Police Area Command established a crime scene and commenced investigations," NSW Police said in a statement.

"The cause of death is yet to be determined. Inquiries continue."

More to come.