Rumen Radev's Progressive Bulgaria party looks set to win Sunday's Bulgarian Parliamentary election - the eighth general election in five years. Exit polls put his Progressive Bulgaria on 37%, more than double the score of the closest runner-up, former prime minister Boiko Borisov's GERB on 16%. Three or four other parties look set to cross the 4% threshold and enter Parliament. The election was called after the previous government tried to push through a controversial budget last December,