Islamist group Boko HaramNIGERIAN troops have seized 14 tonnes of fertiliser that the insurgent Islamist group Boko Haram had planned to turn into roadside bombs, the army has announced. Boko Haram has killed hundreds of people in bombings during its 12-year war against the armed forces in northeast Nigeria, a conflict that has spilled over into neighbouring Niger, Chad and Cameroon and caused an estimated 350,000 deaths. The army said it had broken up a urea fertiliser syndicate that supplied the insurgents with materials to make IEDs or improvised explosive devices. Troops seized 281 bags of urea, each weighing 50kg,…