http://www.bbc.com/news/world-asia-35818581 Human Rights Watch BBC bbc.com US student Otto Warmbier given hard labour in North Korea "US student Otto Warmbier given hard labour in North Korea" US student Otto Warmbier given hard labour in North Korea BBC "US student Otto Warmbier given hard labour in North Korea" Otto Frederick Warmbier BBC News ïèøåò BBC told the BBC