NATO’s top official cast doubt Tuesday on a Russian claim that it had begun pulling some forces away from Ukraine’s borders, saying Moscow still has enough firepower assembled to launch a cross-border invasion on short notice. “So far, we have not seen any de-escalation on the ground,” NATO Secretary-General Jens …

Russia is prepared to fire on foreign ships and submarines that illegally enter its territorial waters, according to a senior official quoted by an independent Russian news agency. Any decision to attack would be taken only at the “highest level,” said Stanislav Gadzhimagomedov, deputy head of the main operational department …

Soldiers from the 101st Airborne Division at Fort Campbell, Ky., are among the 3,000 additional U.S. troops deploying to Poland to help NATO allies fortify their defenses as a possible Russian invasion of Ukraine looms, Army officials said Tuesday. A U.S. official, who spoke on condition of anonymity Friday, omitted …