The staff of State Border Guard Service of Ukraine in cooperation with Polish border guards continues jointly counteracting the unlawful activity at the state border. Thus, in the frames of measures undertaken on state border control the border guards of BD “Rava-Ruska”, Lviv Detachment, received information from Polish colleagues as to two persons moving walking at the border. Aiming not to admit the state border cross the reaction group started to the place immediately. In a result of operative cooperation at the specified direction, the law enforcers detained two undocumented persons. According to their words they were the migrants from Syria. Interactive Subdivision were informed on this point, corresponding administrative documents were drawn up as to the violators.