The freed OSCE observers have arrived in Kiev after being held for more than a week.
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More than four in 10 cases of cancer in the UK could be avoided if people made changes to their lifestyle, Cancer Research says.
Services took place in Indonesia, Thailand, Sri Lanka and India on the 10th anniversary of the tsunami which claimed 230,000 lives.
The astonishing numbers behind the 2004 Boxing Day tsunami, which left 227,000 dead across 14 countries.