Adebolajo and Adebowale are British of Nigerian descent , were raised Cause_change_of_position_on_a_scale as Christians , and converted Change to Islam .

The 2009 Boko Haram uprising Hostile_encounter was a conflict Hostile_encounter between Boko Haram , a militant Islamist group , and Nigerian security forces .

A government inquiry Criminal_investigation later found Know that , while long-standing tensions existed Presence between Boko Haram and the Nigerian Security forces , the immediate cause Causation of the violence stemmed Causation from a confrontation Hostile_encounter between a group of sect members and police in the city of Maiduguri .

Nigerian troops surrounded Surrounding the home of Ustaz Mohammed Yusuf , the founder and spiritual leader of Boko Haram since 2002 , in Maiduguri on 28 July after his followers had barricaded Having_or_lacking_access themselves inside .

Prior to the clashes , many local Muslim leaders and at least one military official had warned Warning the Nigerian authorities about the Boko Haram sect .

This was the eleventh Nigerian airliner crash Catastrophe since 1995 , bringing Bringing the death Death toll to more than 500 people .

The Nigerian Civil War , also known as the Biafran War and the Nigerian-Biafran War ( 6 July 1967 – 15 January 1970 ) , was a war Hostile_encounter fought Hostile_encounter between the government of Nigeria and the state of Biafra .

The United Kingdom and the Soviet Union were the main supporters Supporting of the Nigerian government , while France , Israel and some other countries supported Supporting Biafra .

The 2011 Abuja bombing was a car bomb Terrorism explosion Attack on Friday , 26 August 2011 in the Nigerian capital Abuja 's UN building that killed Killing at least 21 and wounded Bodily_harm 60 .

In September 2011 the Nigerian Department of State Security alleged Statement that Mamman Nur was the mastermind behind the attack and offered Giving a ₦26 million ( US $ 160,000 ) bounty .

EAS Airlines Flight 4226 was a scheduled flight between the Nigerian cities of Kano ( Mallam Aminu Kano International Airport ) and Lagos ( Murtala Muhammed International Airport ) .

Subsequent investigation conducted Action by Nigerian authorities concluded Statement that the crash was caused Causation by pilot error .

A child born to one of the girls and believed Know by medical personnel to be about 20 months old also was released Releasing , according to the Nigerian president 's office .

The 2015 Baga massacre Killing was a series of mass killings Killing carried out Military_operation by the Boko Haram terrorist Terrorism group in the north-eastern Nigerian town of Baga and its environs , in the state of Borno , between 3 January and 7 January 2015 .

Western media outlets reported Reporting that `` over 2,000 '' people are thought to have been killed Killing or `` unaccounted for '' , but local media reported Reporting `` at least a hundred '' fatalities Death , while the Nigerian Ministry of Defence said Statement that no more than 150 people in total had been killed Killing , including militants .

Several government officials denied that the fatalities Death were as extensive as reported Reporting , with some even claiming Statement that the massacre Killing had never taken place Process_start or that the Nigerian military had repelled Defending the militants from the region , a claim Statement that was refuted Judgment_communication by local officials , survivors , and the international media .

The Ekiti prison break Destroying was an attack Attack on the federal prison at Afao road , Ado Ekiti in the southwestern Nigerian city of Ekiti State by 60 unknown gunmen .

Sosoliso Airlines Flight 1145 ( SO1145/OSL1145 ) was a scheduled domestic passenger flight between the Nigerian cities of Abuja ( ABV ) and Port Harcourt ( PHC ) .