Lib Dem leader Nick Clegg has explained why his party has pledged to call for drug users to avoid jail if caught in possession of illegal substances.
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The island of Kivalina in Alaska is quickly disappearing into the ocean, watched by its 400 residents, due to climate change.
German Chancellor Angela Merkel has called on fellow European nations to share the burden of the influx of migrants.
Satellite images have revealed the extent of the damage to the ancient Temple of Bel in Syria's Palmyra city by Islamic State jihadists.