British police said on Friday they had arrested a teenager on suspicion of terrorism offences following the discovery of a "suspicious item" on a London underground train.
British police said they had charged two people with terrorism offences, including a woman accused of encouraging others to commit a terrorist offence in connection with a publication linked to a Turkish militant group.
Five young men face life behind bars after they were charged with terrorism offences over a plan to sail to Indonesia to join jihadist groups in Syria, Australian police said.