Ukraine's embassies around the world, mostly in Europe, continue to receive bloodstained packages and letter bombs. In the latest instance, Ukraine's embassy in Greece received a blood-stained package. The sender remains anonymous this time too. Greece police has started an investigation into the incident. Ukraine's foreign minister, Dmitry Kuleba, suspects Russia's hand behind this intimidation tactic. Meanwhile, Moscow has denied its involvement in such incidents. Watch this video to know more.