Senior European Union leaders have reportedly congratulated Salome Zurabishvili on her election as Georgian president and urged her to combat “political polarization” in the South Caucasus country.

In a letter dated November 30, European Council President Donald Tusk and European Commission President Jean-Claude Juncker said the EU is looking forward to “working together to continue the consolidation of Georgia’s democratic institutions” and to advance political and economic ties.

Zurabishvili, who was supported by the ruling Georgian Dream party, defeated opposition candidate Grigol Vashadze by receiving 59.5 percent of the vote in the November 28 runoff, according to electoral officials.

Vashadze — the candidate of opposition groups led by the United National Movement, which was founded by former President Mikheil Saakashvili — has rejected the results and called for a peaceful protest in Tbilisi on December 2.

He has also called for snap parliamentary elections. “These were hard-fought elections and your leadership in overcoming political polarization will be of paramount importance,” Tusk and Juncker wrote, according to the text of the letter published by the news outlet Civil.ge.

They also wrote that the EU “remains fully committed to Georgia’s territorial integrity within its internationally recognized borders.”