Scientists issue urgent warning over outdoor swimming during the UK heatwave - as 'cold water shock' can prove fatal

Scientists issue urgent warning over outdoor swimming during the UK heatwave – as 'cold water shock' can prove fatalREAD MORE: Scientists reveal why 30°C in the UK 'hits different'See more Daily Mail on Google - save us as a Preferred SourceBy SHIVALI BEST, SCIENCE & TECHNOLOGY EDITOR Published: 09:55, 28 May 2026 | Updated: 10:23, 28 May 2026 e-mail 37 View comments