Bulgaria, Serbia presidents agree to advance bilateral ties

Bulgarian President Rumen Radev (L, Front) and Serbian President Aleksandar Vucic (R, Front) inspect the guard of honor in Sofia, Bulgaria, on Feb. 23, 2018. Bulgarian President Rumen Radev and his visiting Serbian counterpart Aleksandar Vucic here on Friday said their countries would further advance bilateral cooperation in all dimensions. (Xinhua/Zhan Xiaoyi)