Justine Greening, MP and Secretary of State for the Department for International Development was one of the first people to try out the latest Jaguar XFR-S - on the same day she checked in her old Golf for its latest MOT.
Generally she's all in favour but apparently "hayfever sufferers should take particular care: a violent sneeze could easily pit 10 mph onto your speed."
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The meeting was arranged in the wake of Wednesday's terrorist murder of four people in Westminster.
Dozens of women gathered on Westminster Bridge to form a human chain in a show of solidarity with the victims of Wednesday's terror attack.
In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.