Ireland and the rest of Europe is facing a rising threat from the return of radicalised fighters from Syria and North Africa, according to a former top Irish garda heading the EU police agency in the US.

Groups such as Europol identify clues that help predict who the possible terrorists of the future could be. Cormac O’Keeffe talks to Pat Byrne, the head of Europol’s US office

The UN High Commissioner for Refugees has warned European Union justice ministers that enlargement may overwhelm the asylum systems in some new member states.