evidence: In the capital Kyiv, Russian shelling devastated a shopping center near the city center, killing at least eight people and leaving a sea of rubble amid scarred high-rises. Ukrainian authorities also said Russia shelled a chemical plant in northeastern Ukraine, causing an ammonia leak, and hit a military training base in the west with cruise missiles. [...] Russian troops have been shelling Kyiv for a fourth week now and are trying to surround the capital, which had nearly 3 million people before the war.