Extreme heat is hitting both coasts, bringing dangerously high temperatures to the Northeast, Northwest and Southwest. In the Northeast, heat advisories are in place for parts of Maine, New Hampshire, Vermont and upstate New York. Augusta, Maine, hit a daily high temperature of 98 degrees on Monday.

W ildfires have started and health alerts have come into force as the country enters its fourth heatwave of the summer – with temperatures reaching 33.4C in places. Use precise geolocation data and actively scan device characteristics for identification.

Temperatures in the UK are set to soar to 34C in some places as the nation braces for its fourth heatwave of the summer. Authorities have warned that there could be a rise in deaths a s amber and yellow health alerts come into effect at 9am on Tuesday.