Boy, 3, pulled from Sydney pond

A three-year-old boy is fighting for life after being discovered by his father in a pond in Sydney's north.

Police say the toddler wandered from his Ingleside home onto the adjoining property, sparking a search by his family.

His father found the boy just before 3pm on Monday and a nearby member of the public raised the alarm.

Paramedics treated the toddler at the scene before he was taken to Sydney Children's Hospital in Randwick, where he remains in a critical condition.