Crin Antonescu, presidential candidate for the ruling coalition, made of the Social Democratic Party (PSD), the Liberal Party (PNL) and the Democratic Alliance of Hungarians in Romania (UDMR), gestures after registering his bid with the electoral authority in Bucharest,

The country’s electoral commission ruled on Sunday that Calin Georgescu, an outspoken critic of Ukraine and NATO, could not compete in the do-over election.

Romania's central election authority on Sunday barred far-right pro-Russian candidate Calin Georgescu from running in May's presidential election re-run, a decision likely to deepen a constitutional crisis in the European Union and NATO member.