In the last couple of hours the Met Office has advised that it is likely to downgrade its heatwave warning from level 3 to level 2 over the weekend as temperatures are dropping - but it could well be raised again next week as temperatures rise again.
Mertin Stew reports:
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The 24-year-old was unarmed and the incident is not being treated as terror-related.
Some platforms have been taken out of service with disruption expected to continue until the end of the day.
The Met Office has extended its weather warnings for snow and ice to cover vast swathes of the country, including London and the South East.