Gun shots in the eastern Ukrainian city of Slaviansk Sunday.<br/> <br />Armed pro-Russian separatists control the center of the town and government forces have taken positions at checkpoints around the city.<br/> <br />(SOUNDBITE) (Russian) KHARKIV RESIDENT, TOFIK, SAYING:<br/> <br />"We're travelling from Kharkiv. There is shooting going on, so we are waiting here."<br/> <br />Slaviansk is a rebel stronghold.<br/> <br />It's not just government troops they're prepared to fight.<br/> <br />It's also the ultra-radical opposition group called the Right Sector.<br/> <br />(SOUNDBITE) (Russian) PRO-RUSSIAN ACTIVIST, MAXIM, SAYING:<br/> <br />"I know a lot of people here who are looking forward to see those, how do you call them, the Right Sector. Let them come to us."<br/> <br />The crisis in Ukraine has spread beyond the restive east.<br/> <br />Overnight, this bank headquarters was set ablaze in the southeastern city of Mariupol.<br/> <br />And in the southern city of Odessa, residents mourn the dead after Friday clashes left more than 40 de
