Following the setback suffered by the BSP in the European Parliament election - having picked up 18.94% of the popular vote (down from 26.6% in 2013) - opposition parties called for early parliamentary elections.
保加利亚社会党在欧洲议会选举中遭受挫折后（只获得18.94%的选票，低于2013年的26.6%），反对党呼吁提前举行议会选举。