Hundreds of pro-unity Ukrainians burn the Russian flag at the site of bloody clashes on Friday.<br /> <br />They're claiming victory over the separatists who had seized control of this Odessa Square.<br /> <br />Forty Ukrainians -- mostly pro-Russian separatists -- died trapped in a fire at the building they'd occupied.<br /> <br />The protesters observed a minute of silence to remember the dead.<br /> <br />Ukrainian troops are carrying out operations in the east to regain control of government buildings from pro-Moscow separatists.<br /> <br />But Ukraine's acting President Oleksander Turchinov insists Kiev has not lost control entirely and that Moscow supporters had met resistance in the Black Sea as residents -- like these -- were prepared to protect their city.<br /> <br />(SOUNDBITE) (Ukrainian) UKRAINE ACTING PRESIDENT, OLEKSANDER TURCHINOV, SAYING (AUDIO STARTS WITH WIDE OF INTERVIEW (TIMECODE 00:27)):<br /> <br />"The Russian Federation is at war with Ukraine. Both on the east and south they are trying to destabilise
