Militia attacks have led to a "Muslim exodus of historic proportions", according to a report by Amnesty International.
Aid groups have warned of a food crisis, as many of the shops and wholesalers were run by Muslims.
The UN's World Food Programme has started a month-long aid airlift.
The roads are too dangerous to transport food without a military escort, WFP spokesman Alexis Masciarelli told the BBC.
This is why the UN agency is taking the more expensive option of flying food in from neighbouring Cameroon. » | Wednesday, February 12, 2014
BBC: 'I'll be last Muslim in CAR': A government minister in the Central African Republic, Gaston Makouzemba, has warned there is a risk of a genocide as communities fight each other on religious and ethnic lines. All communities have been affected by the violence and now many Muslims are fleeing the country, afraid for their lives. One imam in the capital Bangui shared his fears with the BBC's Newsday programme: » | Monday, February 10, 2014