Loud explosions were heard over the Ukrainian capital, Kyiv, early Saturday, as the authorities warned of incoming ballistic missiles. An air-raid alert had just ended when booms were heard throughout the city at 5:50 a.m. local time. Seconds later, air-raid sirens began to wail. The country’s air-defense systems were working, the city’s mayor, Vitali Klitschko, […]

Loud explosions were heard over the Ukrainian capital, Kyiv, early Saturday, as the authorities warned of incoming ballistic missiles. An air-raid alert had just ended when booms were heard throughout the city at 5:50 a.m. local time. Seconds later, air-raid sirens began to wail. The country’s air-defense systems were working, the city’s mayor, Vitali Klitschko, […]