KYIV, Ukraine — Russian drones battered the Ukrainian port city of Odesa in a nighttime attack, local authorities said Tuesday, less than 24 hours after a purported Easter ceasefire unilaterally declared by Moscow ended and just over a day before Ukrainian, British, French and U.S. officials are due to meet in London to discuss the war . Anticipation is building over whether diplomatic efforts can stop more than three years of fighting since Russia’s full-scale invasion of its neighbor. Trump