Putin claims Russia tested a new missile on Ukraine, warning of retaliation for Western-supplied weapons used against Russian targets.

Ukrainian military officials said the missile was launched from the Russian region of Astrakhan on the Caspian Sea, 800 kilometers (500 miles ... director of military sciences at the Royal United ...

The claim was disputed by a Western official, who said it was a ballistic missile but not an ICBM that was fired at the ...