Thousands of people displaced from their homes in the Central African Republic (CAR) cannot be reached by aid workers because of insecurity caused by the Ugandan Lord’s Resistance Army (LRA) and other armed militias, a UN official said. “The main humanitarian challenges relate to civilian protection and humanitarian access,” Jean Sebastien Munie, head of the UN Office for the Coordination of Humanitarian Affairs (OCHA) in the CAR, told IRIN. “There are pockets of conflict.”