Heathrow Airport has said it will cancel 20% of its usual 1200 flights on Sunday. That means about 240 fewer planes today. There were around 130 cancellations yesterday and Friday's snow forced the cancellation of 400 flights. There is more snow forecast for the south east on Sunday.
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The prince laid a floral wreath at one of a group of metal crosses near Wellington Arch in central London.
The group, which also owns Premier Inn, said on Wednesday that it will pursue a ‘demerger of Costa’.
The showers will become more frequent as the day goes on, giving some heavy downpours in places during the afternoon.