"It must be supported by the United States and the EU. We will not manage with Russia on our own... we need guarantees," Yatsenyuk told a cabinet meeting moments before rebels announced that a truce deal had been agreed at talks in the Belarussian capital Minsk.
Ukrainian government representatives and leaders ofthe pro-Russian separatists in the country's east sign a bilateral ceasefire agreement that goes into force later Friday, the Interfaxnews agency reports exclusively.
German Chancellor Angela Merkel says newEU sanctions against Russia could be suspended if a ceasefire holdsin eastern Ukraine.