Ukrainian businessman and opposition politician Victor Medvedchuk has appeared in a video posted by Ukraine's Defense Ministry, appealing for his long-time friend and ally, Russian President Vladimir Putin to exchange him for fighters in the southern city of Mariupol, where Russian forces have been waging an intense battle for weeks. Victor Medvedchuk's arrest on the 12th of April 2022, more than six weeks since he escaped house arrest in Kyiv ...