Around 9 p.m. local time, a series of explosions occurred in the city. The strikes caused a fire and heavy smoke in the central part of Kharkiv.At least six people were injured, Syniehubov said at around 9:30 p.m. local time. The attack damaged a medical facility as well as administrative buildings. Information on damage and casualties is being clarified, according to Terekhov.Kharkiv has endured constant Russian attacks for over two years since Russia launched its full-scale invasion of Ukraine in February 2022. The last few months have seen intensifying strikes against densely-populated areas of the city.Ukrainian officials have also warned that Moscow is once again preparing to carry out strikes against Ukraine's energy infrastructure ahead of the winter months, causing blackouts and disruptions to essential services.Ukraine expands long-range drone strikes target list, alcohol now on the menuUkraine faces a tricky dilemma as winter approaches.