The former Top Gear Stig has dismissed driverless cars as a step forward in road safety and told Good Morning Britain the best computer in a car "is the human".
Writer Ben Collins dubbed driverless cars "terrifying" and said they could become a liability if the sensors get "fogged up" by bad weather.
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Fans have gathered outside Wardhill Castle in Aberdeenshire hoping to catch a glimpse of the happy couple.
Other highlights during the weekend are Liam Gallagher, The Killers, Depeche Mode, Travis, Van Morrison, Blossoms and James Bay.
President Trump is being bombarded with criticism condemning the family-separation situation as a national moment of shame.