UK heatwave: Full list of areas under heat-health alerts as temperatures hit 31C
![UK heatwave: Full list of areas under heat-health alerts as temperatures hit 31C](https://i2-prod.mirror.co.uk/incoming/article33093088.ece/ALTERNATES/s615/0_Heatwave-Threatens-Tokyo.jpg)
Brits have been told to expect high tempertures of 31C this week as the UK is set to be placed under a heat dome - but experts have warned there could be some heat risks