The former rebels, who seized power in March, were trying to "disarm" residents who lived near the airport, the UN's Amy Martin told the BBC. Peacekeeping troops were now trying to move them from the airport so it can resume normal operations, she said. The UN Security Council recently said the CAR threatened regional stability. Aid agencies have recently warned that undisciplined fighters from the Seleka group which ousted President Francois Bozize had looted the healthcare system, leaving it in ruins. About a third of the country's 4.6 million people need assistance with food, shelter, health care or water, according...