Get the free Morning Headlines email for news from our reporters across the world Sign up to our free Morning Headlines email Sign up to our free Morning Headlines email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy noticeA 14-year-old boy who died in the River Thames on Monday has been named as a “talented young footballer”. The UK Health Security Agency (UKHSA) has warned of the increased risk of cold water shock, which is the body’s natural physical reaction to sudden immersion in cold water. Anyone who suddenly enters cold water is at risk, especially if they accidentally fall in or jump in. Experts warn that cold water shock can affect anyone, regardless of swimming ability.