Illegal cross of the state border by illegal migrants was stopped in a result of operative information exchange between the border guards of Ukraine and Hungary. Thus, border detail of BS “Goronglab”, Mukachevo Detachment, detected the traces at the control line during patrolling. Aiming not to admit unlawful activity, the staff of State Border Guard Service of Ukraine started operative-searching actions immediately and informed Hungarian colleagues on this point, who on its side also organized the search in this direction. As a result of conducted joint operation of Ukrainian and Hungarian law enforcement agents, 10 persons being natives of India, Pakistan, Nepal and Afghanistan. Besides, the border guards discovered the car with double numbers nearby the border, by which illegal migrants were probably delivered to the border. So far, measures are undertaken to establish the circle of persons involved in illegal transportation of the migrants through the border.