The Israel-based Intelligence and Terrorism Information Center claims that, around the start of the conflict, the Hamas police force operations room in the northern Gaza moved into the Kamal Adwan hospital.[68] The Jewish Virtual Library has stated that "Hamas operatives have been seen hiding in maternity wards at civilian hospitals".[69] On December 31, 2008, Israel Security Agency head Yuval Diskin told the government cabinet that he believed that Hamas militants have taken shelter in various Gaza hospitals.[68] On January 11, a senior IDF officer accused Hamas gunmen of hiding inside Red Crescent ambulances in order to break the IDF battle line separating northern and southern Gaza.[66]