A spokesman for Northumbria Police say they believe two teenage girls have gone into the river.
Police, fire and ambulance services are continuing to carry out searches.
More top news
The nursery school pupil got her stool from the bathroom so she could reach the latch and open the front door to let the ambulance crew in.
A mixed bag for the weekend.
Ant McPartlin was charged with drink driving after he was involved in a crash at the weekend.