Explosions were heard in the city of Kharkiv and fires broke out in the city centre during a Shahed drone attack on the night of 30-31 December. Source: Suspilne Kharkiv; Ihor Terekhov, Mayor of Kharkiv; Kharkiv Police Chief Volodymyr Tymoshko, quoted by Suspilne; Dmytro Chubenko, spokesman for the Oblast Prosecutor's Office Quote: "A fire has broken out as a result of one of the explosions in the centre of Kharkiv, Suspilne's correspondent reports.