Radev, 53, backed by the opposition Socialists, won 58.1-58.5 per cent of the vote, compared with 35.3-35.7 per cent for Tsetska Tsacheva, the 58-year-old candidate of the ruling centre-right GERB party, the polls showed.
Bulgarians head to the polls in a presidential runoff between BSP backed Rumen Radev, of the socialist opposition, and Tsetska Tsacheva, Chairwoman of the National Assembly, from incumbent prime-minister Boyko Borisov's conservative GERB. Exit polls by Alpha Research and Gallup International show Radev with about 58 percent of the vote with Tsacheva getting around 35 percent.