Russian forces attacked downtown Kharkiv on Dec. 30, injuring 20 people, Kharkiv Mayor Ihor Terekhov reported. Among those injured are two boys aged 14 and 16. The city was reportedly attacked with at least six missiles, one of which struck a residential building, causing a fire. The attack comes a day after Russia unleashed the largest air attack on Ukraine. The Dec. 30 attack on Kharkiv damaged several multi-story residential buildings, a shop, and public spaces, Kharkiv Oblast Governor Oleh Syniehubov reported. “Solely civilian infrastructure was attacked,” Syniehubov said, adding that emer…