The Prime Minister has tweeted a photo of himself meeting troops in Afghanistan.
David Cameron said: "It's been a privilege talking to the men and women serving Britain in Helmand on Armed Forces Day."
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A man and a woman have been charged with murder after a badly burned body was found in the back garden of a house in south-west London.
After a chilly start, there will be some warm sunshine across southern and eastern parts.
Labour is ready for another election after June's vote "changed politics in this country", Jeremy Corbyn has declared.