Kyiv, Ukraine — Russia launched its deadliest aerial assault so far this year on Ukraine , killing 16 people, including a 12-year-old child, according to Ukrainian officials. Ukraine's Defense Ministry said Thursday's overnight attack included nearly 700 drones and 19 ballistic missiles targeting cities across the country.  Ukraine's capital bore some of the heaviest damage. Kyiv Mayor Vitali Klitschko said the strikes killed four people, including the 12-year-old, adding that a drone slammed