The United Nations warns there is a risk of genocide in the Central African Republic.
The country has been in turmoil since Islamists ousted President Francois Bozize in March.
In towns where Christians and Muslims used to live in peace and do business together, Islamists are now inciting violence between the two communities.
In the town of Bossangoa, the birthplace of the former president, thousands of Christians have fled their homes after attacks by rebels. Many have taken refuge in the Catholic Mission in the center of town, afraid to venture out into the street or return to their homes.
Human rights groups have accused rebels of widespread looting, killing, rapes, and recruitment of child soldiers.
John Ging, U.N. director of humanitarian operations, described the situation as “chaotic.”
“We are seeing the seeds of a profoundly dangerous development between communities,” the BBC quoted Ging.