By Luiza Ilie and Mara Vilcu BUCHAREST (Reuters) -Romanian centrist and leftist parties looked to have fended off a surge by the nationalist right in Sunday's parliamentary election, as attention turned to a top court ruling later on Monday on whether to annul the results of a presidential vote.

With a surge for the far-right, the elections have signaled a dramatic shift for a once-reliable transatlantic ally out of the European mainstream and toward Moscow. A parliamentary victory for the Social Democrats,

Pro-Western parties have won the most votes in Romania’s parliamentary election and will look to form a coalition government as the European Union country faces a surge of support for far-right nationalists who made huge gains in the country’s legislature.

Romania's ruling leftist Social Democrats (PSD) looked set to win the most votes in a parliamentary election on Sunday, defeating a resurgent far-right movement challenging the country's pro-Western orientation,

Romania's ruling center-left Social Democrats were poised to secure the most votes in Sunday's parliamentary election, according to preliminary results published Monday.

Romanians cast ballots Sunday in a parliamentary election sandwiched between a two-round presidential race, the first of which has plunged the European Union and NATO member into unprecedented turmoil following allegations of electoral violations and Russian interference.

Romanians are casting ballots in a parliamentary election on Sunday sandwiched between a two-round presidential race, the first round of which has plunged the European Union and NATO member country into unprecedented turmoil following allegations of electoral violations and Russian interference.

Romanians are preparing to go to the polls in a parliamentary vote that will determine a new government and prime minister to lead the European Union and NATO member country

Romania's top court on Friday postponed a decision on whether to annul the result of the first round of a presidential election until Dec. 2, after a shock result that caused suspicions of interference in the campaign.

Still reeling from this week's shock developments, Romanians returned to the polls on Sunday (December 1) to elect their parliament, with the far right tipped to win, potentially heralding a shift in the NATO country's foreign policy.