Police say an elderly pedestrian was crossing the road when she was hit and killed by a van in Orewa, north of Auckland.

The incident happened in Hillary Square around 1:30 this afternoon.

Acting Inspector Andy King says bystanders assisted police and ambulance to provide first aid - however, the woman died at the scene.

He says the driver stopped immediately and will speak with police - but is rather shaken.

Andy King says a number of people witnessed the incident and police officers have taken statements from them.

Police say they aren't in a position to make any comment about whether any charges will be laid.