Temperatures are expected to cool slightly in parts of the UK after several days of record-breaking heat and the deaths of six people who got into trouble in open water.The Met Office said Tuesday was the hottest day in May on record for both England and Wales, with Kew Gardens provisionally reaching 35.1C and Cardiff Bute Park reaching 32.9C.

Temperatures are expected to cool slightly in parts of the UK after several days of record-breaking heat and the deaths of six people who got into trouble in open water.The Met Office said Tuesday was the hottest day in May on record for both England and Wales, with Kew Gardens provisionally reaching 35.1C and Cardiff Bute Park reaching 32.9C.