Centre-right GERB party leads in Bulgaria election -partial results

FILE PHOTO: Boyko Borissov, leader of the centre-right GERB party, speaks to the media, during a general election, at a polling station in Sofia, Bulgaria, October 2, 2022. REUTERS/Spasiyana Sergieva

SOFIA (Reuters) -Bulgaria's centre-right GERB party of former long-serving Prime Minister Boyko Borissov is set to win Sunday's election, the fourth in less than two years, partial results showed, but its chances of forming a coalition government remain unclear.

With 99% of the ballots counted, partial official results showed GERB winning with 25.4%. Its main rival, the reformist We Continue the Change of Kiril Petkov, whose coalition cabinet collapsed in June, came second with 20.2%.