Counter-terrorism

Parents 'reassured' over terror arrests

Boys arrested by counter terror police

Man accused of 'neo-Nazi' plot to kill MP

Man charged over MP murder threat

Climbing frame or anti-terror device? Video, 00:02:27Climbing frame or anti-terror device?

New terror laws 'would criminalise thought'

Woman jailed for terrorism offences

Australian charged with funding IS fighter

Teenager denies Cardiff terror plot

Boy, 15, charged with terror offence

British IS fighters 'must be killed'

Which countries have fleeing IS fighters gone to?

Man denies 'lone wolf' terror attack call

Man charged with terrorism offences

MI5 boss warns of 'intense’ terror threat

MI5: 'Over 3,000 extremists in UK' Video, 00:02:32MI5: 'Over 3,000 extremists in UK'

MI5 'evolving to match terror threat' Video, 00:01:30MI5 'evolving to match terror threat'

'New York IS attack plot' is revealed

Child jail terror plan causes backlash

Niger surrounded by jihadi groups

Australia PM seeks 14-day detention law

France approves tough new anti-terror laws

Exercise to test terrorism response