At least seven people have died in water-related incidents during record-breaking June temperatures The body of a 15-year-old boy has been recovered from a reservoir near Manchester, as police renewed warnings about the dangers of swimming in open water during soaring temperatures. Greater Manchester police said officers had been called to reports of a boy getting into difficulty in the water near Cowbury reservoir in Stalybridge at about 6.30pm on Saturday. A body was recovered later that evening, and was identified as the missing teenager.