Meanwhile , Joscelin II paid little attention to the security of his county , and argued with the counts of Tripoli who then refused to come to his aid .
By this time , Zengi had united Aleppo and Mosul and began to threaten Edessa .
Joscelin II paid little attention to the security of his county , and argued with the counts of Tripoli who then refused to come to his aid .
By this time , Zengi had united Aleppo and Mosul and began to threaten Edessa .