A bus carrying OSCE mediators has been seized by armed separatists in Slaviansk, eastern Ukraine, the Ukrainian Interior Ministry has said.
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Surrey police believe the deaths may be connected to the death of a 50-year-old man in southern France.
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.