By Tom Miles GENEVA (Reuters) – The four countries fighting the Boko Haram insurgency in West Africa’s Lake Chad region should unite behind a broader strategy to ease the poverty and climate change that are spurring millions to migrate to Europe, a U.N. official said on Monday. Nigeria, Niger, Chad and Cameroon have joined forces in the past four months to recapture some territory from the radical Islamist Boko Haram, U.N. Assistant Secretary-General Toby Lanzer told a news conference in Geneva.
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Widen fight against Boko Haram to tackle climate change, migration: U.N.