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