Western Brigade and the Eastern Division. In February 2005, nine Bangladeshi UN troops were killed during an ambush in Ituri. The actions of the Ituri and Kivu Brigades became more robust and the pressure rose on all armed groups. Thomas Lubanga Dyilo, the leader of the Union of Congolese Patriots, and other militia leaders were arrested by Congolese authorities and imprisoned in Makala, Kinshasa. Lubanga was accused of having ordered the killing of the peacekeepers in February 2005 and of orchestrating continuous insecurity in the area. On 10 February 2006, the International Criminal Court (ICC) issued an arrest warrant for Lubanga for the war crime of "conscripting and enlisting children under the age of fifteen years and using them to participate actively in hostilities." The Congolese national authorities transferred Lubanga to ICC custody on 17 March 2006. On 1 March 2005, a vast cordon and search operation in Ituri was conducted by Nepalese, Pakistani and South African Infantry elements with the support of Indian attack helicopters, between 50 and 60 militiamen were killed. Senegalese General Babacar Gaye was appointed force commander in March 2005 after Spanish General Vincente Diaz de Villegas resigned for personal reasons. In May 2005, the UN Secretary General asked for a supplementary brigade for Katanga. Joint operations were conducted by the newly arrived integrated brigades of the Armed Forces of the Democratic Republic of the Congo (FARDC). UN troops were tasked with the support of the electoral process, contributing protection and transport. In Ituri over 15000 militiamen were disarmed. In October 2005, by Resolution 1635, the UN Security Council authorized a temporary increase of 300 military personnel to permit a deployment to Katanga. 2006 In late January, a group of 80 Guatemalan Special Forces from the Kaibiles were engaged in a four hour firefight with LRA rebels, ending with the deaths of eight Guatemalans and fifteen rebels. They are believed to have been conducting a raid on an LRA encampment to capture LRA Deputy Commander Vincent Otti. The incident caused a significant uproar from both the Government of Guatemala and the Guatemalan public, who demanded an official inquiry into the engagement. On 25 April 2006, the UN Security Council adopted Resolution 1671, authorising the temporary deployment of a European Union force to support MONUC during the period encompassing the general elections in the DR Congo, which began on 30 July 2006. The European Council approved the