A child places a candle at a makeshift memorial for the the victims of the Charles University's shooting, outside the Charles University in central Prague, on December 23, 2023, during a national mourning day. Flags on public buildings flew at half mast December 23, 2023 and masses were scheduled across the Czech Republic for a day of national mourning after a deadly shooting at Prague's Charles University -- the worst in the country in decades.
A 24-year-old student opened fire at the Faculty of Arts on December 21, 2023, killing 13 people and then himself. Another person died in hospital later on. (Photo by Michal Cizek / AFP)