West African leaders have agreed to work together to wage "total war" on Boko Haram, saying the Nigerian Islamist group had become a regional Al Qaeda that threatened them all.  Nigeria, its neighbours - Chad, Cameroon, Niger and Benin - and Western officials met in Paris to flesh out a plan enabling them for the first time to share intelligence, coordinate action and monitor borders.  It comes as a suspected Boko Haram attack was carried out on a Chinese work site in northern Cameroon, killing at least one Cameroonian soldier with 10 others feared kidnapp

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