Russia acknowledges a missile attack on warship Novocherkassk, which Ukraine claims to have destroyed in a cruise missile strike in the early hours of Boxing Day. Ukraine appears to have come out of Christmas Day determined to make an impact, as they claim to have destroyed another Russian warship, this time with an air-launched cruise missile strike. Russia acknowledged the attack on the Ropucha-class Novocherkassk, a 1980s-vintage landing ship similar in size to the U.S.-made Freedom-class warship, saying that one person had been killed in the strike. Lieutenant General Mykola Oleshchuk of the Ukrainian Air Force thanks his pilots for...