• November 2001: Real IRA car bomb detonated in Birmingham by republican dissidents. No casualties.
• 7 July 2005: Four bombs carried by jihadi suicide bombers explode on tube trains and a bus in London, killing 56 people including the attackers.
• 21 July 2005: Four jihadi bombers fail to detonate their explosives on London transport system. No one hurt.
• June 2007: Two car bombs, packed with petrol, gas cylinders and nails, discovered in central London close to nightclubs in al-Qaida-inspired plot. The devices failed to ignite.
• June 2007: Several days later the same al-Qaida group drove a car into the glass doors of Glasgow airport. One of the attackers died and five people suffered minor injuries.
• May 2008: A Muslim convert tried to detonate a bomb in the toilet of a cafe in Exeter, injuring himself. No one else was hurt.
• March 2009: Two young soldiers shot dead by the Real IRA outside the Massereene Barracks in County Antrim. Two days later a PSNI officer was shot dead by Republican gunmen in Craigavon, Northern Ireland.
• April 2011: PSNI constable killed by a bomb planted under his car by dissident republicans in Omagh, Co Tyrone.
• May 2013: Fusilier Lee Rigby murdered by two Islamist extremists in Woolwich , south London.
• December 2015: Three people stabbed in Leytonstone tube station, east London, by an attacker shouting ”This is for Syria”.
• March 2016: Northern Ireland prison officer Adrian Ismay killed by a bomb planted under his car by republican dissidents. It exploded in east Belfast.
• June 2016: Labour MP Jo Cox shot dead in her Yorkshire constituency by a rightwing, white supremacist.
• 22 March 2017: Attack on Westminster leaves four dead and 20 injured.
