Members of conservative pro-Kremlin youth organization Set entered Russia’s sole “women-only hours” cafe in St. Petersburg, resulting in a scuffle on Thursday.

March 8 marks International Women’s Day. In Russia, it is celebrated as a public holiday with flowers traditionally being gifted to women.

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In the footage posted online by Set, several men are seen entering the cafe and attempting to give flower bouquets to female guests. After they refused to leave, one of the women at the cafe pepper-sprayed a Set activist.