243 children believed to have died since Russian invasion
Ukraine's President claims 200,000 children from Ukraine have been spread across Russia, after being taken there by force.
Volodymyr Zelenskyy says 243 young people are known to have died since Moscow's invasion of Ukraine began in late February.
Of the children moved across the border, he believes they mostly end up in remote areas.
But Zelenskyy has vowed to take action: