Prince Harry, still sporting a beard from his exertions in the Arctic with the charity Walking With the Wounded, attended the Sandringham Christmas service alone despite rumours his girlfriend, Cressida Bonas, may join him.
Harry said he intended to keep his beard as it was a "Royal tradition".
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A man, reportedly armed with a knife and a baseball bat, was detained close to the event and police cleared the area as a precaution.
A remarkably mild night
Thousands of people have gathered in the centre of Manchester for a vigil in the wake of the terror attack.