Activists of National Corps, far right Ukrainian party, burn flares as they hold a banner reading, "Appeal court is accomplice of terrorists" during a protest outside the court buikding after the court freed the man suspected of involvement in the downing of flight MH17 in Kiev on September 5, 2019. - A court in Ukraine on September 5, 2019, released from pre-trial detention a man suspected of involvement in the downing of flight MH17, amid speculation he might be used in a prisoner swap with Russia. Ukraine captured Vladimir Tsemakh, accused of fighting for pro-Russian separatists, in June, but he is believed to be a person of interest in the downing of MH17. (Photo by SERGEI SUPINSKY / AFP)