A Hastings toddler remains in a critical condition in Hawke's Bay Hospital after an assault.

The two year old boy has life-threatening head injuries and is still in intensive care.

He was rushed to hospital by ambulance on Monday morning, from a house in Columbus Crescent in Flaxmere.

A 17 year old boy has been charged with assaulting a child.

He's been remanded on bail and will be appearing in court next month.