Multiple reports say five people die in UK waters during the recent heatwave. The deaths include drownings and incidents involving people pulled from water. One report states that a man is pulled from a river, while another says a teenager is among those who drown. The articles describe the overall toll as five fatalities occurring during the same period amid unusually hot conditions. No additional details are provided in the excerpts about the exact locations, ages of all victims, or whether the incidents are linked to specific bodies of water or circumstances such as swimming or boating. The accounts also do not specify whether any investigations are ongoing, or whether weather conditions or public safety warnings played a role. Across sources, the central point is that five people die in separate incidents in UK waters during the heatwave, with at least one teenager among the victims and at least one case involving a rescue attempt before a death is reported.