A Russian drone strike killed three people in Ukraine’s northeastern Sumy region, local officials said Saturday. Sumy regional head Oleh Hryhorov said Saturday that a large fire broke out when a drone struck a “civilian facility,” adding that the victims were drivers for private Ukrainian postal and courier service Nova Poshta, The Associated Press said. In Zaporizhzhia in southeastern Ukraine, a Russian drone attack Friday night hit a shopping center, causing a fire that spread over a 500-square-meter area, causing several injuries, regional head Ivan Fedorov said. A major Russian attack Friday on a site near Kyiv that hosted a defense industry event killed at least 10 people and wounded nearly 100 others. Ukrainian President Volodymyr Zelenskyy warned in his evening address late Friday that intelligence assessments indicated that Russia was preparing missiles for a large attack on Ukraine, saying there were indications that this could happen in the next 48 hours.