A man walks outside a polling station backdropped by Bulgarian flag in Bankya, Bulgaria, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

A man casts his ballot at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

Ballots seen in a box at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

A woman casts a ballot at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

Former Bulgarian Prime Minister Boyko Borissov walks after casting his ballot at a polling station during general elections in Bankya, Bulgaria, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

A woman holds his ballot at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

A man casts his ballot at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

Former Bulgarian Prime Minister Kiril Petkov holds his ballot at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

A man prepares to cast his ballot at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

Former Bulgarian Prime Minister Kiril Petkov speaks to media after voting at a polling station during the general elections in Sofia, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

Former Bulgarian Prime Minister Boyko Borissov holds his ballot at a polling station during general elections in Bankya, Bulgaria, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)

Former Bulgarian Prime Minister Boyko Borissov holds his ballot at a polling station during general elections in Bankya, Bulgaria, Sunday, Oct. 27, 2024. (AP Photo/Valentina Petrova)