KYIV - Ukraine on Thursday ordered the mandatory evacuation of vulnerable residents from the front-line city of Kupyansk and adjacent northeastern territories as fears mount Russia will retake the key city and rail hub. “Mandatory evacuation of families with children and residents with limited mobility began in Kupyansk community,” the Kharkiv regional military administration said on its website. taking into account the unstable security situation due to constant shelling of the territory of the community by Russian troops,” it added