Surrey Police said the road was closed for several hours between the McLaren roundabout to the Otter roundabout while emergency services were in attendance and investigations were carried out.
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It will be increasingly humid and thundery with highs of 30C or more today.
Holidaymakers in Tunisia are determined not to be beaten. But, as Neil Connery writes, it won't be easy to escape the shock of the massacre.
Drink lots of water, stay out of the sun during the middle of the day, and take particular care of vulnerable people.