The Duke and Duchess of Cambridge will spend this weekend with friends as they mark their first wedding anniversary.
William and Kate will travel to an undisclosed location in the UK to join friends for a celebration - but not their own.
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Seasonal rains have battered the country since late June with more than 150,000 people affected by floods and landslides.
The bus reportedly hit a tree near Russell Square.
Low pressure will throw cloud and few showers across the UK today, but it will also draw in very warm air from Europe again.