US Vice President Joe Biden has posted a picture on his Twitter account wishing people a "happy and safe holiday season".
President Obama and First Lady Michelle Obama recorded their Christmas message over the weekend, thanking America's troops and their families for their service.
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A 19-year-old has officially become the UK's youngest airline pilot after fast-tracking his way to a seat in the cockpit.
Twenty years ago, long before today's centenary events, surviving veterans made their own pilgrimage to the site of the Battle of the Somme.
Weather throws a wobbly as it's seriously disappointing for summer.