Estonian authorities said on February 15 that they had canceled the residence permit of pro-Kremlin activist Sergei Chaulin and deported him to Russia, saying he poses a threat to the Baltic nation's state security and social order. Chaulin is currently in St. Petersburg, Estonian media reports say. Chaulin, who is stateless, resided for many years in Tallinn, where he led pro-Russian groups that support Moscow’s policies, including the annexation of Ukraine's Crimea and the Kremlin's support of pro-Russian separatists in eastern Ukraine. To read the original story by RFE/RL's Russian Service, click here.