Kyiv's chief negotiator describes US-mediated negotiations with Russia as difficult and complex, but says there has been progress. Also: European football authorities investigate claims of racism in the Champions League match between Real Madrid and Benfica. Investigators looking into the disappearance of Nancy Guthrie say they believe she is being held somewhere close to her home in Arizona. Researchers in Britain assess the threat from the Chikungunya virus in the Asian tiger mosquito, saying it could spread across Europe. The internet page showing the first ever YouTube video is saved for posterity by London's Victoria and Albert Museum. And excitement builds ahead of the debut of Skimo at the Winter Olympics in Italy.

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