The heatwave is taking its toll of London's emergency services. With no let-up in the soaring temperatures, firefighters and paramedics have seen a surge in calls.
And as Londoners heed advice about coping with the heat, Thames Water said it has seen a 15% rise in the demand for tap water in the capital. Piers Hopkirk reports:
More top news
Pregnant woman who was labour has had her "phone snatched while calling for and ambulance to hospital".
It will be increasingly cloudy this evening, with sporadic outbreaks of rain or drizzle spreading in during the first half of the night.
A derelict north London garage has gone on sale for £360,000 - more than the cost of a flat on the same road.