NEW : Ukraine spokeswoman : Irshenko leader in Ukraine does n't represent region . Ukraine 's border service says armed men freed a detained separatist leader . Luhansk 's `` people 's governor '' Armed men clashed with Ukrainian border guards Saturday after a separatist leader was detained at a checkpoint . Luhansk was wanted by the security service . Tensions remain high in eastern Ukraine , with presidential elections Friday away .
NEW : Ukraine spokeswoman : Irshenko leader in Ukraine does n't represent region . Ukraine 's border service says armed men freed a detained separatist leader . Luhansk 's `` people 's governor '' Luhansk was wanted by the security service . Tensions remain high in eastern Ukraine , with presidential elections Friday away .