《资治通鉴·唐纪·唐纪五十五》
适值中使前来督战，浑镐领兵迫近恒州，与王承宗交战，遭到严重的失败，便逃回定州。
会中使督其战，镐引兵进薄恒州，与承宗战，大败，奔还定州。
It happened that the imperial envoy came to supervise the battle. Hun Hao led his troops to approach Hengzhou and fought Wang Chengzong. He was badly defeated and fled back to Dingzhou.