<span style="color: #222222;">In Nigeria, a Boko Haram commander was killed by his comrades over his alleged plan to surrender and handover hundreds of hostages to the Nigerian military.  <br />''<br />''According to agency reports,  Ali Gaga was shot and killed on Thursday by other commanders in the IS-affiliated faction of Boko Haram after they uncovered his plan to surrender to Nigerian troops fighting the jihadist group in the Lake Chad region.</span><br />'' <span style="color: #222222;">Gaga had arranged to rescue 300 hostages being held by the Islamists and hand them over to troops before turning himself in.<br />''</span><br />'' <span style="color: #222222;">More than 27,000 people are thought to have been killed in the nine-year Boko Haram insurgency that has triggered a humanitarian crisis and left 1.8 million people still without homes. </span><br />