Opposition supporters light up their smartphone flashes as they take part in a demonstration outside the Electoral Committee building in Belgrade, on December 18, 2023 one day after the results of the parliamentary and local elections. A team of international observers on December 18, 2023 slammed Serbian elections over a string of "irregularities", including "vote buying" and "ballot box stuffing", after the opposition accused the ruling party of committing voter fraud. The accusations aired by the monitors, which included representatives from the Organization for Security and Co-operation in Europe (OSCE), came just hours after Serbian President Aleksandar Vucic said his party had secured a commanding victory during parliamentary and local elections. (Photo by ANDREJ ISAKOVIC / AFP)