Pro-Russian separatists in the self-proclaimed Luhansk People's Republic won't relinquish control of border checkpoints with Russia.<br/> <br />They say they'll continue to hold their positions -- despite Kiev's demands that they hand over control as a condition of a government ceasefire.<br/> <br />In Donestsk, one rebel leader went a step further --- calling on government troops to surrender, or join the separatist ranks.<br/> <br />(SOUNDBITE) (Russian) DEPUTY CHIEF OF SUPREME COUNCIL OF SELF-PROCLAIMED DONETSK PEOPLE'S REPUBLIC, VLADIMIR MAKOVICH, SAYING:<br/> <br />"You have the right to choose - either go home or somewhere else or stay here continue your service. The choice is yours."<br/> <br />In Moscow, Russian Foreign Minister Sergei Lavrov accused the U.S. of not helping Kiev reach a peaceful agreement.<br/> <br />He says the United States is "pushing Ukraine to a confrontational path."<br/> <br />But in Odessa, celebration despite the turmoil.<br/> <br />A giant flag is unfolded for Constitution Day, that require
