More than three years into Russia's full-scale invasion, Ukrainians across the country retreat each night to bomb shelters and metro stations in a nightly ritual.

An overnight Russian drone and missile attack on Ukraine’s capital Kyiv has killed at least 18 people, including a six-year-old boy, as well as wounding 159 others, according to Ukrainian officials, prompting United States President Donald Trump to slam Moscow’s actions as “disgusting.”