Read Joshua 11:10 Using Other Translations
And Joshua at that time turned back, and took Hazor, and smote the king thereof with the sword: for Hazor beforetime was the head of all those kingdoms.
And Joshua turned back at that time and captured Hazor and struck its king with the sword, for Hazor formerly was the head of all those kingdoms.
Joshua then turned back and captured Hazor and killed its king. (Hazor had at one time been the capital of all these kingdoms.)