Protesters set up tents in the Georgian capital Tbilisi on Monday, vowing not to leave until new parliamentary elections are held, Radio Free Europe's Georgian service reported.
Georgian President Salome Zurabishvili, students and opposition groups claim that the October 26 parliamentary elections were rigged. The official results showed that the pro-Russian Georgian Dream party won the majority of the votes, thus its fourth term in power.
"Tomorrow morning, I will file a complaint with the Constitutional Court for violating electoral principles," Zurabishvili said at a press conference.
She said, however, that she does not hold out much hope, stating that "no institution in this country is independent anymore."
Zurabishvili said her move should be a sign that legal disputes should be resolved in the courts and that judges should have the opportunity to openly show their "conscience".
She repeated that she does not recognize the elections as legitimate and that she considers it necessary to hold a new vote, but only with new electoral authorities elected with the help of international partners.
Protests have been taking place in Tbilisi since the election. On Sunday, protesters marched through the center of the capital, blocking one of the main avenues.
Student groups also issued a manifesto condemning the disputed October 26 parliamentary elections.
The manifesto published on Sunday said the government's "systematic rigging of the election reveals a crude attempt by the Georgian Dream party to seize control of the country."
The manifesto also condemns, as it states, attacks on the education system through "discriminatory and selective decisions in the approval process" of entry into educational institutions and "the imposition of censorship in teaching".
"In light of the repressive actions of imposing 'Russian' laws and laws on censorship and other rights and freedoms, the fact of systematic election rigging reveals a crude attempt by the Georgian Dream to take over the country," the manifesto states.
The document was signed by 13 groups, including students from at least 13 Georgian universities.
Georgia's Central Election Commission (CEC) on Saturday confirmed the results of the disputed October 26 election, despite weeks of opposition protests and accusations of widespread irregularities and Russian interference.
The pro-Moscow ruling Georgian Dream party won 53,93 percent of the vote against 37,79 percent of the votes collected by the opposition alliance, the CEC announced during a session that was briefly interrupted after opposition politician Davit Kirtadze sprayed CEC head Giorgi Kalandarishvili with black liquid and called him "dark spot".
Kirtadze's protest was aimed at pointing out the ink from the voting pens that was visible through the thin paper on the other side of some ballots. The opposition says this violated the secrecy of the disputed October 26 vote.
Georgian Dream, which has been in power since 2012, is the only party that recognized the election results. Pro-European president Salome Zourabishvili still refuses to recognize the outcome of the vote, which she said was heavily influenced by Russia.
The pro-European opposition is boycotting the new parliament, renouncing its mandates won in the Oct. 26 election, citing widespread irregularities, fraud and Russian interference.
EU and Western officials have expressed serious doubts about the election and the perceived irregularities.
Georgia has been a candidate for EU membership since last year, but the "foreign influence" law and anti-LGBT measures have put that goal in doubt.
The US announced in July that it would suspend more than $95 million in aid to the Georgian government, warning it that the country was experiencing a backsliding in democracy.
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