Terrorist challenges facing Britain

Between 2001 and 2016 more than 3,360 people were arrested in the UK and 596 were convicted of terrorist offences. Having now served their sentences, hundreds of extremists have since been released

Terrorism-related arrests and convictions (since September 11, 2001)

International: Linked to or motivated by foreign terrorist groups 79%

Northern Ireland 6%
Not classified 5%
Domestic: UK terrorist groups 10%
3,363 arrests

Prisoners released: Many from Al Qaeda generation of offenders 418
In detention: Includes around 130 convicted Islamic terrorists 178
596 convictions


Among prisoners released in recent years

1. Abu Bakr Mansha: Sentenced to six years in jail in 2006 for plotting to kill British soldier

2. Mizanur Rahman: Convicted in 2007 on charges of solicitation to murder and sentenced to four years in jail. He is released in 2010 but jailed again in 2016 after pledging allegiance to Islamic State

3. Khalid Khaliq: Associate of July 7, 2005 London bombers is jailed for 16 months in 2008 for
possessing documents useful for terrorism – an Al Qaeda training manual

4. Erol Incedal: Jailed in 2015 for 42 months after bomb-making manual is found in his possession


Sources: Home Office, The Henry Jackson Society
Pictures: Metropolitan Police