Sir Ken McCallum said the number of people in the UK under investigation for "state threat activity" had jumped by 35% in the ...

Evidence prepared for a collapsed espionage trial was published by an under-pressure government in Britain, offering a window ...

China sent numerous aircraft close to Taiwan during two days of drills from Friday, causing the island's air force to scramble, as Beijing expressed anger at the visit of a senior U.S. official to ...

NATO must think harder about how to handle China and its military rise, though Russia will remain its main adversary during this decade, according to a report to be published on Tuesday on reforming ...