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 . Boko Haram acts as an al Qaeda operation in central Africa , Nigeria says . `` We 're here to declare war on Boko Haram , '' Cameroon leader says at summit .