By Sam Tabahriti and Will Russell LONDON (Reuters) -Britain's spy agency MI5 is revealing some secrets. In collaboration with ...

The display includes confessions and surveillance reports relating to Britain’s most notorious double agents, who spied for ...

The 110-year-old lemon has garnered significant attention from the MI5 exhibition organised in London. The lemon, which is ...

The lemon, now black and shriveled, helped convict Karl Muller, a German spy in Britain during World War I. It was found by ...

A collection of never-before-seen files, photographs and items from MI5's own archives are going on display for the first ...

Oleg Gordievsky, the long-standing KGB double agent who defected to Britain, has died aged 86. Gordievsky was said to be ...

Ken McCallum, director general of MI5, said the agency wanted to be more ... who spied for the Soviet Union between the 1930s and 1950s and were known as the "Cambridge Five".

Advertisement Article continues below this ad MI5 Director General Ken McCallum ... Spies,” whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment.

MI5 Director General Ken McCallum told journalists ... “Cambridge Spies,” whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment.

MI5 Director General Ken McCallum told journalists ... “Cambridge Spies,” whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment.