"These have not been elections. This was a criminal special operation against the Georgian people," Grigol Vashadze told several thousands of supporters at the demonstration.
He added that the opposition is preparing a suit with its lawyers to demand the cancellation of the presidential elections results in the court, Agenda.ge reported.
The Georgian Dream ruling party endorsed presidential candidate Salome Zurabishvili received 59.52% of votes (1,147,627 votes), while candidate from the United National Movement Grigol Vashadze - 40.48% of votes (780,633).