As the temperature rises, it is tempting for youngsters to take a dip in the river to cool down.
But the death of teenager Hassan Hussain has shown that it can have deadly consequences.
An Oxford Mail investigation conducted on the River Cherwell, close to the spot where the teenager drowned, has revealed just how deep and dangerous the water can be.
We discovered that the water level near the bank was only four feet deep but just a metre further out the depth increased considerably.
Even the most competent swimmers should avoid splashing about in the river and go to their local pool instead, where there are lifeguards to monitor their safety.
River water also provides further health risks which can be avoided in the chlorinated water of local pools.
The Environment Agency is right to warn members of the public not to risk their lives swimming where there there are no lifeguards or life buoys.
And we welcome the Government's scheme to provide additional swimming lessons for school pupils aged 11 plus, who are not competent.
The scheme, which was launched last month and will run over the next two years, is a key part of the Government's school sports strategy. It could help save lives.
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