Explosions and air defense fire were heard across Kyiv early Saturday as Russia launched missiles and drones at Ukraine’s capital, officials said. Ukraine said Russia launched more than 370 attack drones and 21 missiles — the most intense strike since the start of the year. City officials reported damage in several districts, including a medical facility. Kyiv’s mayor said one person was killed and four others were injured. The strikes are part of Russia’s renewed campaign against Ukraine’s energy sector as freezing temperatures grip the country, with Kyiv dropping to minus 13 degrees Celsius. Ukraine’s energy provider has warned the country is nearing a humanitarian catastrophe. Despite the pressure, a recent poll shows 54% of Ukrainians reject withdrawing troops from the Donbas in exchange for security guarantees, suggests a survey by the Kyiv International Institute of Sociology, published on January 16. Russia’s Defense Ministry said the strikes targeted a facility producing long-r...