David Cameron has praised the "courage" and "sacrifice" of the Armed Forces.
His tweet comes as Armed Forces Day is being celebrated across Britain.
Today we pay tribute to the courage, determination and sacrifice of our Armed Forces. Their bravery keeps all of us safe. #ArmedForcesDay
More top news
1,209 people were found guilty of 'trolling' offences in 2014 - and 155 have been jailed.
Critics are ambivalent to this year's slate of winners, who were picked in part by American directors Joel and Ethan Coen.
1.5m European citizens will miss out on the chance to vote on whether Britain stays in or quits the EU.