Ties between Russia and the United States were placed under an unexpected new strain yesterday as Vladimir Putin reacted angrily to the arrest of a ring of 10 alleged under-cover agents, telling the US: "Your police have let themselves go."

Russia angrily denounced the US arrest of 10 alleged Russian spies as an unjustified throwback to the Cold War, and senior politicians said some in the US government may be trying to undercut President Barack Obama's warming relations with Moscow.

Today marks the 60th anniversary of the start of the Korean War. In tribute, we take a look at some of the remarkable images that have become part of the Korean conflict's visual legacy.

Dismayed by the negative way it is portrayed in computer games, Russia is planning to promote itself with a series of patriotic titles based on the heroic deeds of its soldiers in the Second World War.

Some of the liveliest exchanges in the first two leaders' election debates concerned the future of the Trident nuclear deterrent.

The United States and Russia signed a landmark strategic nuclear disarmament treaty today and said new sanctions may be necessary to put pressure on Iran to renounce its nuclear ambitions.

More than 60 years after Winston Churchill first coined the expression to describe Britain's alliance with the United States, MPs today finally called time on the "special relationship".

A Cold War nuclear bunker has been sold on eBay for more than £20,000, it emerged today.

Bids for an underground nuclear shelter in the Peak District, put up for sale on eBay with a starting price of £500, have soared to £18,000.

North Korea fired artillery rounds toward its disputed sea border with South Korea today, prompting a barrage of warning shots from the South's military and raising tensions on the divided peninsula.

A "radical" shift is needed in defence spending to prioritise the number of troops working on the ground to win over hearts and minds, the head of the army said last tonight.