A former aide of Ukrainian President Volodymyr Zelensky has warned that 2,00,000 soldiers could be lost if Kyiv's forces attempt to 'invade' Crimea amid the ongoing counteroffensive. Oleksiy Arestovych, former advisor to the office of the President of Ukraine, told a Russian journalist that the risk of a full-fledged attack on Crimea was too high. Watch this video for more details.