Men who witnessed nuclear tests in the 1950s are demanding answers over alleged secret monitoring programme.

"We are setting a poignant precedent here in Peterborough," a nuclear test veteran says.

David Freeman, 85, describes himself as "one of the lucky ones" as he receives the Nuclear Test Medal.

Nihon Hidankyo, a group of survivors of Hiroshima and Nagasaki, is recognised for its work to rid the world of nuclear weapons.

The submarine sank earlier this year, in a major setback for the Chinese military, say US defence officials.

Russia's leader says strikes by a non-nuclear state aided by a nuclear power can be considered a joint attack

Mr Kim called for the site to increase its production of nuclear warheads, state media said.

A new exhibition explores how Scotland was put on the frontline of a stand-off between the world's great superpowers.