2015 West African offensive the military's advance. BBC analyst Tomi Oladipo called the victory a major milestone for Nigeria. Boko Haram had held the town since August 2014 when Nigerian troops abandoned the city. The victory came days after Chad President Idriss Deby criticized Nigerian forces for not pulling their weight in the fight against Boko Haram. On election day, Boko Haram militants killed 41 people, including a legislator, in an effort to disrupt voting. After Muhammadu Buhari defeated incumbent president Goodluck Jonathan in the election, the fight against Boko Haram continued. (Jonathan remained in power until May 29.) On April 8, a summit
Goodluck Jonathan Executive Council, and was the Chairman of National Economic Council. Vice-President Jonathan was instrumental in negotiating an agreement with many of the major militant groups in the Niger Delta, to lay down their weapons and stop fighting as part of a government amnesty. On 9 February 2010, a motion from the Nigerian Senate invested Goodluck Jonathan as acting President of the Federation because President Yar'Adua was on a trip to Saudi Arabia in November 2009 for medical treatment. On 10 February 2010, during his first day as acting president, Jonathan announced a minor cabinet reshuffle. Prince Adetokunbo Kayode, who was