The UN forces were nevertheless able to break out Process_start of the encirclement and to make a fighting Hostile_encounter withdrawal Escaping to the port of Hungnam , inflicting Damaging heavy casualties Catastrophe on the Chinese .

The retreat Escaping of the US Eighth Army from northwest Korea in the aftermath of the Battle of the Ch'ongch'on River and the evacuation of the X Corps from the port of Hungnam in northeast Korea marked the complete Process_end withdrawal Escaping of UN troops from North Korea .