Passengers were forced to join long queues at Heathrow Terminal 5 as a technical problem at an air traffic control centre continued to cause chaos at airports across the UK and Ireland.
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Regional troops have secured the presidential palace in the Gambia's capital but there are fears the former leader has raided state coffers.
The police officer was shot in the arm at a petrol station on the Crumlin Road, but is in a stable condition.
Temperatures tumbling again tonight with a widespread sharp frost and lows of -5C or -6C and icy spots in places