New Delhi, Oct. 26 -- Serbia witnessed nationwide celebrations on Monday after a student-backed movement defeated longtime leader Aleksandar Vucic's ruling alliance in a landmark parliamentary election, ending 14 years of political dominance and setting the stage for a major shift in the Balkan country's leadership.

Tens of thousands of people took to the streets of Belgrade and other Serbian cities after Vucic conceded defeat late on Sunday, according to Reuters. The result followed nearly two years of peaceful, student-led anti-government protests demanding accountability and calling for the populist leader to step down.

With almost 99% of votes counted, the student-backed candidates had secured 52.7% of the vote, compared with 39.2% ...