A woman casts her ballot at a polling station, in Belgrade, on April 2, 2017. Serbians head to the polls to elect a new president, with strongman Aleksandar Vucic hoping to tighten his grip on power amid opposition accusations he is shifting the country to authoritarian rule. / AFP PHOTO / ANDREJ ISAKOVIC (Photo credit should read ANDREJ ISAKOVIC/AFP/Getty Images)