Viktor Orban and his nationalist Fidesz party are under pressure as he seeks his fifth successive term in office. Defeat could have far-reaching implications for Hungary, the EU, Ukraine and beyond. Follow the latest.

• Concession: Veteran Hungarian Prime Minister Viktor Orbán accepted defeat in a parliamentary election on Sunday, ending his 16 years in power. He congratulated Péter Magyar, leader of the center-right opposition Tisza party, and called the election result “painful” but “clear.”