The Nigerian military suffered an embarrassing setback in April when it retracted a report that nearly all the kidnapped girls were released . France will not intervene militarily in Nigeria , president says . Cameroon soldier killed , 10 Chinese missing , one injured after Boko Haram attack . Comment: `` We 're here to declare war on Boko Haram , '' Cameroon leader says at summit .
France will not intervene militarily in Nigeria , president says . Cameroon soldier killed , 10 Chinese missing , one injured after Boko Haram attack . Comment: `` We 're here to declare war on Boko Haram , '' Cameroon leader says at summit .