Doreen McIntyre from campaign group 'Harefield Against HS2' spoke to our Political Correspondent Simon Harris and described how a new viaduct planned for the building of HS2 would change the face of the area.
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Hay fever is an allergic reaction to airbourne pollen. There are 2 million sufferers in London (that's one in 5 people).
The man suffered head injuries after falling from Westminster Bridge and landing on concrete steps.
The average temperature for this time of year in London is 16C, the weekend will be seven degrees above average.