 Umukuru wa leta yUbudage, Angela Merkel, yavuze ko bamwe mu bongereza bibeshya ku bijyanye no kuganira ku kazaza kumubano hagati yigihugu cyabo nUburayi mu gihe ibibazo bijyanye nuburyo kigomba kuva mu muryango wubumwe bwUburayi bitari byakemurwa. 