Counter-terrorism

Woman arrested by terrorism police

Man arrested on suspicion of terrorism offences

New EU drive to remove extremist web content

Two men arrested over suspected terror plot

Lockdown 'exploited by extremists to recruit'

Man jailed for downloading terror videos

UK terrorism threat level raised to 'severe'

'We don't know if terrorist had supporters' Video, 00:01:12'We don't know if terrorist had supporters'

'Public should be alert but not alarmed' Video, 00:01:35'Public should be alert but not alarmed'

UK facing 'nasty mix' of threats, says MI5 chief

IS 'Beatles' plead not guilty over hostage deaths

Boy, 15, found not guilty of terror plot

'Courageous' prison officers put own lives at risk. Video, 00:00:34'Courageous' prison officers put own lives at risk

IS 'Beatles' in court over US hostages' deaths

'If you harm an American, you will face American justice' Video, 00:01:24'If you harm an American, you will face American justice'

Man cleared over chemical explosives haul

UK sends US evidence on IS 'Beatles'

Series of failings in terror supervision condemned

Man charged with explosives and terror offences

Two men charged following New IRA operation

Man quizzed over offences under terror laws

IS 'Beatles' will not face death penalty in US

Terror offence arrest at airport