The Norwegian Police arrested Arrest Anders Behring Breivik , a 32-year-old Norwegian right-wing extremist , on Utøya island and charged Judgment_communication him with both attacks Attack .

The conflict , which overlapped the wars in Waikato and Tauranga , was fuelled Cause_change_of_position_on_a_scale by a combination of factors : lingering Māori resentment over the sale of land at Waitara in 1860 and government delays Change_event_time in resolving Resolve_problem the issue ; a large-scale land confiscation policy launched Process_start by the government in late 1863 ; and the rise of the so-called Hauhau movement , an extremist part of the Pai Marire syncretic religion , which was strongly opposed Agree_or_refuse_to_act to the alienation of Māori land and eager to strengthen Māori identity .

On May 31 , 2009 , George Tiller , a physician from Wichita , Kansas who was nationally known for being one of the few doctors in the United States to perform Hold late-term abortions , was murdered Killing by Scott Roeder , an anti-abortion extremist .

Later campaigns Military_operation were aimed Aiming at quashing Removing the so-called Hauhau movement , an extremist part of the Pai Mārire religion , which was strongly opposed Agree_or_refuse_to_act to the alienation of Māori land and eager to strengthen Cause_change_of_strength Māori identity .

The east coast hostilities came Motion at the close of the Waikato wars Hostile_encounter and before the outbreak Attack of Te Kooti 's War , both fought Hostile_encounter nearby , but sprang from causes Causation more closely related to the Second Taranaki War—namely , Māori resentment of punitive government land confiscation coupled Cause_to_amalgamate with the rise Cause_change_of_position_on_a_scale of the so-called Hauhau movement , an extremist part of the Pai Marire religion ( also called Name_conferral the Hauhau ) , which was strongly opposed Agree_or_refuse_to_act to the alienation of Māori land and eager to strengthen Māori identity .

currently , the movement is supported Supporting by both militant islamic extremist groups , such as the turkistan islamic party , and certain advocacy groups , such as the world uyghur congress , which generally do not have verifiable links to terrorism but are also designated Choosing as terrorist organizations by china .

The extremist Islamic group al-Shabaab claimed Statement responsibility for the incident , which it characterised as retribution for the Kenyan military 's deployment Arranging in the group 's home country of Somalia .

During questioning Communication , Dzhokhar said Statement that he and his brother were motivated Influence by extremist Islamist beliefs and the wars Hostile_encounter in Iraq and Afghanistan , that they were self-radicalized and unconnected to any outside terrorist Terrorism groups , and that he was following his brother 's lead .

Responsibility for the kidnappings Kidnapping was claimed Statement by Boko Haram , an extremist terrorist Terrorism organization based in northeastern Nigeria .

algeria and other maghreb states affected Influence by the activity have been offered Supply assistance Assistance in fighting extremist militants by the united states and the united kingdom since 2007 , when operation Military_operation enduring freedom Change_of_leadership UNK trans sahara began Process_start .