The display was organized by Kiev’s embassy and staged at Charles Bridge, one of the country’s most historic sites The display of a 30-meter Ukrainian flag on Prague’s Charles Bridge was an “unnecessary provocation,” the head of the Czech parliament’s lower house, Tomio Okamura, has said. The event in the Czech capital on Saturday was initiated by Kiev’s embassy and was timed to mark the 107th anniversary of Ukraine’s unification, Okamura said. “This is an unnecessary provocation by Ukrainians