Police say they are seriously concerned after several children were spotted swimming in the River Wear just a short distance from where two teenagers drowned.
Chloe Fowler and Tonibeth Purvis died almost two weeks ago.
Today, police issued another warning, urging people to stay away from open waters.
It comes as new figures reveal a surge in calls to emergency services for people in trouble in the water.
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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.