NUR-SULTAN. KAZINFORM - Deputy Foreign Minister of Kazakhstan Roman Vassilenko met with Valiant Richey, OSCE Special Representative and Coordinator for Combating Trafficking in Human Beings. The latter has visited Nur-Sultan to participate in the Discussion Forum «Trafficking in Human Beings for Labor Exploitation in Supply Chains – Update on the latest developments in international trade and business government legislation» organized by the OSCE Programme Office in Nur-Sultan, Kazinform has learnt from the press service of the Ministry of Foreign Affairs.