A bomb has killed at least two people, including a police officer, and injured 10 other people at a patriotic rally in Ukraine's second city Kharkiv.
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BBC: Deadly bomb blast hits rally in Kharkiv
A woman lays flowers at the memorial plaque on the the spot death of EuroMaidan activist Sergei Nigoyan on the Grushevskogo street on March 2 in Kyiv.