'You'll be next' ISIS warn UK of terror attacks if they join France in Syria airstrikes ISLAMIC State (ISIS) have threatened to carry out terror attacks on Britain if the Commons vote tomorrow to join France in launching airstrikes in Syria against the terrorist organisation.

ISLAMIC State (ISIS) have threatened to carry out terror attacks on Britain if the Commons vote tomorrow to join France in launching airstrikes in Syria against the terrorist organisation. 'You'll be next' ISIS warn UK of terror attacks if they join France in Syria airstrikes Is the UK ready for ISIS?