Summary
Greater international cooperation is required to defeat Boko Haram and neutralise the threat from the Islamist militants in Nigeria and beyond, military commanders and politicians said this week.
The extremists, who are allied to Daesh (ISIS), have destroyed swathes of remote northeast Nigeria since 2009, killing at least 20,000 people and forcing more than 2.6 million from their homes.
A regional force comprising troops from Nigeria and its neighbours Cameroon, Chad, Niger and Benin, has helped push Boko Haram out of captured territory since early 2015 .
Nigeria said this week the purchase had finally been approved.
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