Operator UkrStream.TV came on bond. Since it's all good! He was released and his  equipment has been returned. Now he is in Sevastopol, will arrive in Kyiv soon. Thanks to everyone who supported and helped.
Yesterday Oleg Balaban, Ukrainian operator of UkrStream.TV, was detained by a group of armed people in Sevastopol, Crimea. We have no information about his current location right now.