YAOUNDE, Rabi'I 12, 1436, Jan 3, 2015, SPA -- At least 15 people have been killed in an attack by suspected Boko Haram militants on a bus in northern Cameroon, Reuters cited a senior local security official and a businessman as saying on Saturday. The officer, who asked not to be named, said another 10 people had been severely injured and taken to Maroua hospital and he feared the death toll would rise. --SPA 22:42 LOCAL TIME 19:42 GMT www.spa.gov.sa/w