Ukrainian Foreign Minister Leonid Kozhara on Monday called for joint efforts from the Organization for Security and Cooperation in Europe (OSCE) countries to tackle the growing problem of human trafficking. \"We need to develop a strategy that will consolidate the efforts to promote the fight against human trafficking,\" Kozhara, whose country chairs the OSCE, told a high-level conference here. Ukraine takes human trafficking as one of the bloc\'s priorities, he said.