The US has issued a worldwide travel alert for its citizens in response to "increased terrorist threats"
The state department said "current information" suggested the Islamic State group, al-Qaeda, Boko Haram and others continued "to plan terrorist attacks in multiple regions".
The alert, it said, will remain in place until 24 February 2016.
http://www.bbc.co.uk/news/world-us-canada-34907009