Staff and educators at a children's rehabilitation centre outside the southern city of Kherson, speak about the “a hidden form of deportation” of Ukrainian children into Russia. Ukraine has condemned the forced transfer of thousands of children into Russia or Moscow-controlled territory since the invasion last year, President Volodymyr Zelensky said last week: "Kidnapping, forced adoption, and re-education of Ukrainian children committed by Russia (show) clear signs of a war crime and a crime against humanity". In a report Human Rights Watch (HRW) called for a "concerted international effort" to return forcibly deported children and urged Russia to publish their details. IMAGES AND SOUNDBITES