WTerrorism in the United Kingdom, according to the Home Office, poses a significant threat to the state. There have been various causes of terrorism in the UK. Before the 2000s, most attacks were linked to the Northern Ireland conflict. In the late 20th century there were also attacks by Middle Eastern terrorist groups, most of which were linked to the Arab–Israeli conflict.
WThe 1999 London nail bombings were a series of bomb explosions in London, United Kingdom. Over three successive weekends between 17 and 30 April 1999, homemade nail bombs were detonated respectively in Brixton, south London; Brick Lane in Spitalfields in the East End; and in The Admiral Duncan pub in Soho in the West End. Each bomb contained up to 1,500 four-inch nails, in holdalls that were left in public spaces. The bombs killed three people, including a pregnant woman, and injured 140 people, four of whom lost limbs.
WThe Atomwaffen Division, also known as the National Socialist Order is a neo-Nazi terrorist network. Formed in 2015 and based in the Southern United States, it has since expanded across the United States and into the United Kingdom, Canada, Germany, the Baltic states and other European countries. The group is part of the alt-right, although the group rejects the label and is considered extreme even within that movement. It is listed as a hate group by the Southern Poverty Law Center (SPLC).
WThe David Davis by-election campaign of 2008 was a political campaign against the erosion of civil liberties in the United Kingdom, led by the former Conservative Member of Parliament (MP), David Davis, labelled by Davis as the David Davis For Freedom campaign.
WInformal Anarchist Federation (FAI) is an insurrectionary anarchist organization. It has been described by Italian intelligence sources as a "horizontal" structure of various anarchist groups, united in their beliefs in revolutionary armed action. Groups comprising the FAI act both as separate organizations and also under the FAI, and are known to format group campaigns. The group has its roots in Italy, but, since 2012, has begun organising and executing attacks in the United Kingdom.
WIslamic terrorism, Islamist terrorism or radical Islamic terrorism are terrorist acts against civilians committed by violent Islamists who claim a religious motivation.
WJames Aitken, also known as John the Painter, was a mercenary who committed acts of sabotage in Royal Navy naval dockyards during the American Revolutionary War in 1776–77.
WRavindra Hareshwar Mhatre was a 48 years old Indian diplomat in UK who was kidnapped and later murdered in Birmingham in 1984 by British Kashmiri militants associated with the Jammu Kashmir Liberation Front.
WThe National Counter Terrorism Policing Network (NCTPN) is the national collaboration of police forces in the United Kingdom working to prevent, deter and investigate terrorism in the United Kingdom. The Network is governed by the National Police Collaboration Agreement Relating to Counter Terrorism Activities Made Under Section 22A of the Police Act 1996. The Network is accountable to the United Kingdom Government and the National Police Chiefs' Council Counter Terrorism Coordination Committee which is chaired by the Metropolitan Police Service Assistant Commissioner of Specialist Operations (ACSO) who also acts as the National Lead for Counter Terrorism Policing. The Network is also functionally coordinated by the Senior National Coordinator for Counter Terrorism who is usually a Metropolitan Police Service Deputy Assistant Commissioner co-located within the Counter Terrorism Command.
WThe National Crime Agency (NCA) is a national law enforcement agency in the United Kingdom. It is the UK's lead agency against organised crime; human, weapon and drug trafficking; cyber crime; and economic crime that goes across regional and international borders, but can be tasked to investigate any crime. The NCA has a strategic role in which it looks at the bigger picture across the UK, analysing how criminals are operating and how they can be disrupted. To do this it works closely with regional organised crime units (ROCUs), the Serious Fraud Office, as well as individual police forces.