Belarusian President Lukashenko ranted against an alleged US-led plan to destabilise the country, claiming that American allies in Europe have participated in the effort that took years to prepare.
The talks in Sochi come as the UN rights chief urges investigation into torture allegations against Belarus security forces stemming from the response to protests over the disputed reelection of President Alexander Lukashenko.
Belarusians have been demonstrating against President Lukashenko's disputed re-election for a month, with more than 100,000 people flooding the streets of Minsk for four straight weekends.
Demonstrations broke out in Belarus after Alexander Lukashenko claimed to have defeated opposition candidate Svetlana Tikhanovskaya and won re-election with 80 percent of the vote on August 9.
The visit will be the first to Russia by the Belarusian leader since protests broke out over his disputed election win.
Belarus opposition politician Maria Kolesnikova says security officers put a bag over her head and threatened to kill her when they tried to forcibly deport her to Ukraine this week after having abducted her in Minsk. She is still in detention.
Another prominent Belarusian figure and lawyer of the opposition Coordination Council, Maxim Znak, has been taken by masked men from his office.
Opposition leaders have either been detained or forced to leave the country as massive protests - a first of their kind - gather steam.
France criticises Belarus for forcing opponents of President Alexander Lukashenko into exile, as opposition figure Maria Kolesnikova refuses to be pushed into Ukraine.
Protest leader Maria Kolesnikova is not in police custody, officials confirm after reports that she had been forcefully taken by unidentified people in central Minsk.
Tens of thousands of Belarusians staged a peaceful new march on September 6, keeping the pressure on strongman Alexander Lukashenko, who has refused to quit after his disputed re-election and turned to Russia for help to stay in power.
Olga Kovalkova says Belarusian authorities has told her she would face further arrests if she did not leave the country.
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