While most non-proliferation and test-ban treaties remain, the 1987 intermediate range pact has collapsed and the 2015 Iran deal is on the brink, says Bennett Ramberg

South Korea said there was “very high” probability that North Korea, engaged in weeks of threats of war, would launch a medium-range missile at any time as a show of strength despite diplomatic efforts to soften its position.

The value of the peace process in Northern Ireland as a model for resolution was top of the agenda during talks between President Michael D Higgins and Hillary Clinton.

The Bush administration would require commercial airlines and cruise-line operators to collect information such as fingerprints from international travellers and send the information to the US Homeland Security Department soon after the travellers leave the country, according to a proposed rule.