(FILES) This file photo taken on February 27, 2016 shows Russian opposition leader and anti-corruption blogger Alexei Navalny attending a memorial march marking the one-year anniversary of the assassination of Russian politician Boris Nemtsov in central Moscow. Russian opposition leader Alexei Navalny on February 8 pledged to press on with his campaign for president ahead of polls next year after being handed a guilty verdict that could bar him from the vote. / AFP PHOTO / Kirill KUDRYAVTSEV