Ellen Barry, Moscow correspondent for The New York Times, is tweeting on behalf of Human Rights Watch's Tanya Lokshina, who is attending a meeting with Edward Snowden.
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Net migration to Britain was down 49,000 in the year to September 2016.
Special forces say they have attacked a sprawling site adjacent to the city's airport in a bid to liberate the area from IS.
Commuters were also warned to expect travel chaos as Doris gathered speeds of nearly 90mph.