. . "BANGUI, CAR : At least 22 people including three staff members of medical charity Medecins Sans Frontieres were killed during a weekend attack by gunmen on a Central African hospital, in the latest atrocity to hit the violence-plagued country.The brutal attack in the northwest was blamed on the mostly Muslim rebels known as the Seleka, whose coup in March last year unleashed a vicious cycle of sec" . .