MYLA, Ukraine — A Russian drone struck a warehouse west of Kyiv that Ukrainian officials say was storing shells, mines and other ammunition, sparking massive explosions and fires that swept through dozens of nearby homes and buildings and killing 37 people. The Friday night attack on the warehouse in Myla, a village in the Bucha district, was the war’s deadliest attack this year and came on the second of three days of nearly round-the-clock Russian strikes that have severely disrupted life in and around the Ukrainian capital. Attacks on the capital and, to a lesser extent, the rest of Ukraine have been nearly constant since Thursday. Kyiv officials say Russia builds up missile stocks and launches major attacks every few days, hoping to exhaust Ukrainian defenses through the sheer weight of numbers. The warehouse strike sparked fires that raced through homes and damaged at least 50 residential buildings, said Tymur Tkachenko, who heads the local regional military administration. He was later cited by local media as saying 34 of the people killed were residents of a care home for elde