According to Amos Harel and Chaim Levinson , the kidnappers planned to wait a few days , then contact senior Hamas operatives in the Hebron area , to manage Control the hostage and negotiate a prisoner swap with Israel .

However , on the verge of being crowned queen , Empress Matilda was forced Request to retreat Escaping from London by hostile crowds ; shortly afterwards , Robert of Gloucester was captured Conquering at the rout of Winchester and the two sides agreed Agree_or_refuse_to_act to swap Exchange their respective captives .