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Image caption, Candidates Petr Pavel (l) and Andrej Babis took part in a televised debate ahead of the runoff

Czech voters have been going to the polls to elect a successor to President Milos Zeman, whose second term ends in March.

The second-round runoff between former Prime Minister Andrej Babis and retired Nato general Petr Pavel is portrayed as a contest between populist oligarchy and liberal democracy.

Meanwhile, Mr Babis announced earlier this week that he would cancel all remaining in-person campaign appearances over fears for his personal safety after receiving an anonymous death threat.

Gen Pavel remains the favourite despite revelations that he had received training in military intelligence during the communist era.

Meanwhile, during his time as prime minister, billionaire Mr Babis enjoyed close ties with Hungary's Viktor Orban, who continues to clash with the EU over the rule of law.