A new intercontinental ballistic missile (ICBM) so secret it has no name yet has been successfully tested in Russia, the defence ministry says. The new weapon is designed to penetrate Nato's European missile defence shield, Russian defence sources told the Interfax news agency. The test came days after Nato said its system had reached "interim operational capability". Nato says its shield is meant to protect members from a missile fired by a rogue state - understood to mean Iran. It plans to increase its capability by deploying further assets in the years ahead. However, Russia says the shield upsets the...