One of the two men killed by a gunman in an apparent ambush was Mike Chiapperini a volunteer firefighter with 20 years in the local police force.
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BA said the strikes will impact "only 1 per cent of our total scheduled flights across the three days."
It's another mild day in the north and west, but cold in the south and central England.
The singer, songwriter and rhythm guitarist for the British rock'n'roll band died on Christmas Eve aged 68.