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.
More top news
Vera Robinson MBE has died at the age of 101. She had been a fundraiser for the Redcar RNLI lifeboat station since she was 16 years old.
Provisional statistics for July show it was a cool and wet month for many of us.
With just 49 days until the start of the Rugby World Cup, the Webb Ellis Cup is touring our region.