The warning comes as the forecaster predicted 35C in places – below last month’s record temperatures, which topped 40C in some places. The vulnerable are likely to suffer adverse health effects, while the wider population could also be affected, the alert said. Travel delays are likely and there is an increased risk of water accidents and fires as more people visit coasts and beauty spots, the Met Office also warned. Subscribe to First Edition, our free daily newsletter – every morning at 7am. BST The UK’s Health Safety Authority has already issued an orange alert covering southern and central England from midday on Tuesday until 6pm on Saturday, with experts advising people to be careful of people who are older or with existing medical conditions, as well as small children. More to come…