A Russian aerial strike that hit several residential buildings in Kyiv killed six people, including a 6-year-old boy, the head of the city's military administration said Thursday. President Volodymyr Zelenskyy later said the death toll in the capital had risen to seven, with "dozens of victims in different areas of the city." At least 64 people were injured, 50 of whom were transported to hospitals, he said. Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G Watch 24/7