高行周
Zhang's army was sieged for several months there, and made several attempts to fight its way out of the encirclement, led by Zhang's subordinates Gao Xingzhou and Fu Yanqing, but was unsuccessful. Its food supplies became drained, and the situation became desperate. Zhang, however, refused to surrender, believing that other Later Tang generals would eventually come to his aid. When Yang and another general, An Shenqi (), urged him to surrender, he responded: