"The government wanted to quietly manipulate the election, but we are interfering," said Pora activist Anastasia Bezverkha. "Our actions are raising social tension, and that's what Ukraine needs right now."
Pora called a one-day "student strike" on Nov. 17, combining with other student movements to demand a fair vote in the Nov. 21 second round.
Hundreds of Pora activists - some covering their faces with trademark yellow-and-black bandanas - filled a Kyiv square ahead of a planned concert, handing out leaflets to businessmen and grandmothers passing by.
In the western city of Lviv, about 8,000 students representing Pora and other student movements carried posters reading: "Dictatorship will collapse!" and "Everyone should fight!" Police stood in columns watching.
Yanukovych's supporters have accused Pora and other opposition groups of planning to seize power if the election does not go their way.
Pora's decision to put revolutionary icon Ernesto "Che" Guevara - wearing a traditional Ukrainian embroidered shirt - on their T-shirts also raised eyebrows.
"I wouldn't say that we are trying to make a revolution," said Nina Sorokopud, a 22-year-old student in Kyiv in the group's temporary basement office. "For us Che is a symbol of protest and freedom, not of revolution."
Based in London, we are an informal group dedicated to supporting democracy and human rights throughout
the former Soviet Union. Our aims are:
Informing the public about issues in this area that receive little coverage in the Western media.
Staging peaceful demonstrations and letter-writing campaigns in support of specific causes.
Supporting and publicising nonviolent pro-democracy groups throughout the region.
Encouraging European and American involvement.
Support the Belarusian cartoonists
Third Way, the Belarusian organisation whose members are being prosecuted for producing satirical cartoons about Lukashenka,
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We are continuing to focus our efforts on the Belarusian prisoner of conscience Mikhail Marinich.
We are campaigning for him to receive proper medical treatment, to be permitted to see his family,
and ultimately to be released from prison pending a review of his case. You can help by distributing
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Members of these groups have joined our blog to share their views and experiences.