Ukraine urges calm, saying Russian invasion not imminent

Ukraine’s leaders sought to reassure the nation that a feared invasion from neighbouring Russia was not imminent, even as they acknowledged the threat is real and prepared to accept a shipment of American military equipment Tuesday to shore up the country’s defences.

Russia has denied it is planning an assault, but it has massed an estimated 100,000 troops near Ukraine in recent weeks, leading the United States and its NATO allies to rush to prepare for a possible war.

Several rounds of high stakes diplomacy have failed to yield any breakthroughs, and this week tensions escalated further. NATO said it was bolstering