W ildfires have started and health alerts have come into force as the country enters its fourth heatwave of the summer – with temperatures reaching 34C in places. Use precise geolocation data and actively scan device characteristics for identification.

It’s going to be hot, hot, hot here in London today - here’s what to expect from the weather. An amber heat health alert has been issued across Greater London as temperatures hit 34°C. The Government has warned that the heatwave could put significant pressure on health and social care services in the capital.