Ukrainian presidential bodyguards have disposed of a powerful explosive device discovered near President Petro Poroshenko's headquarters, a security source said.
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A group of anarchists have reportedly invaded a building metres away from the Queen's central London residence.
The government is encouraging motorists to think twice about buying diesel cars in a bid to improve air quality.
Atlantic frontal systems spread rain in from the northwest on both weekend days. Windy - with gales across the north and west but mild.