With temperatures soaring and the sun shining, Herts and Essex residents are being urged to take care to keep cool by the ambulance service.Mercury levels are set to rise above 30C (86F) in the area on Wednesday - to around 31C in Stortford - according to the Met Office, in temperature highs not seen since 2006.And to help stop the heat taking people to hospital, East of England Ambulance Service NHS Trust (EEAST) has issued advice for those out in the sun.To prevent the onset of problems like...
