Counter-terrorism

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

Man charged with right-wing terrorism offences

'Disturbed' teen sentenced over 'abhorrent images'

Pain of Jean Charles de Menezes death 'not over'

Four questioned over suspected terror plot

'Children may have been radicalised in lockdown'

Man who encouraged German terror cell jailed

Will the 'War on Terror' ever end?

Man, 20, admits Islamist-related terror charges

Terrorism charges after street disturbance