Counter-terrorism police have taken over the investigation in Salisbury, and have called on anyone who may have seen Sergei and Yulia Skripal in or around Salisbury on Sunday to contact police.
Four people have been arrested in West Yorkshire on suspicion of terror offences in relation to Syria.
More parents have the possibility to have the passports of their children blocked if they fear they may travel to join extremist groups, under the government’s new counter-terrorism strategy outlined today.
British police and security services have foiled around 40 terror plots on British soil since the 7/7 bombings, the Home Secretary has said.
UK-based insurance companies are to be banned from paying ransoms to terrorist groups under new proposals set to be announced by Home Secretary Theresa May.