“The insurgents have sectioned Ramadi into a group of smaller segments and do not permit civilians from one area to the other because they suspect anyone at the moment of being an informant,” he said. More people were cooperating with the security forces as the insurgents’ treatment became harsher, the sheikh said. Residents say the militants have increased motorcycle patrols inside the city to catch those using mobile phones, which are banned in Islamic State territory. High, empty buildings are also under surveillance.