![Darko Vojinovic Serbian President Aleksandar Vucic drinks champagne after claiming victory in local elections in Belgrade, Serbia, Sunday, June 2, 2024. Tensions soared during Serbia's municipal elections in key cities and towns as ruling populists sought to cement their already vast hold on power in the Balkan country that is a candidate nation for European Union membership. (AP Photo/Darko Vojinovic)](https://mapi.associatedpress.com/v2/items/6d3bf08840d84938bc8aefc2046f0b06/preview/preview.jpg?s=680x&wm=false)
Serbian President Aleksandar Vucic drinks champagne after claiming victory in local elections in Belgrade, Serbia, Sunday, June 2, 2024. Tensions soared during Serbia's municipal elections in key cities and towns as ruling populists sought to cement their already vast hold on power in the Balkan country that is a candidate nation for European Union membership. (AP Photo/Darko Vojinovic)
![Darko Vojinovic A vandalized pre-election billboard shows Serbian President Aleksandar Vucic, center, with associates after a local election in Belgrade, Serbia, Sunday, June 2, 2024. Tensions soared during Serbia's municipal elections Sunday in key cities and towns as ruling populists sought to cement their already vast hold on power in the Balkan country that is a candidate nation for European Union membership. (AP Photo/Darko Vojinovic)](https://mapi.associatedpress.com/v2/items/597c8c0539614032a7a7c506275350c3/preview/preview.jpg?s=680x&wm=false)
A vandalized pre-election billboard shows Serbian President Aleksandar Vucic, center, with associates after a local election in Belgrade, Serbia, Sunday, June 2, 2024. Tensions soared during Serbia's municipal elections Sunday in key cities and towns as ruling populists sought to cement their already vast hold on power in the Balkan country that is a candidate nation for European Union membership. (AP Photo/Darko Vojinovic)