The United Nations' mission to Afghanistan said on Tuesday the ruling Taliban had arbitrarily detained journalists 256 times since their takeover three years ago, and urged authorities there to protect the media. In a reply accompanying the report, the Taliban-led foreign ministry denied having arrested that number of journalists and added that those arrested had committed a crime. Journalists in Afghanistan worked under "challenging conditions", the U.N. mission (UNAMA) and the U.N. Human...