The escalation came after the government suspended two senior justices and moved to bring criminal charges against them.

The cyber-attack, which the company describes as complex, is believed to be the largest ever of its kind.

European foreign ministers refused to be pictured with Sergei Lavrov at the summit being held in Atlanta.

A 55-year-old dog rescue programme that has found missing hikers and children in the Canadian wilderness was axed as part of government budget cuts.