KIEV, May 31 - A hard-won agreement between Ukraine's rival leaders to hold new elections this fall was cast into doubt Thursday as parliament ended its session hours ahead of a presidential deadline to pass legislation supporting the deal.

KIEV, May 31 ??“ The Communist Party, the smallest group in Parliament, warned Wednesday it may resort to blocking a legislative session June 7 to force key ministers step down amid protests over a NATO exercise.

KIEV, May 31 ??“ The Ukrainian government on Wednesday approved in principle an almost 73% hike on price of natural gas supplied to households in a move to save the country??™s key energy company from bankruptcy.

MOSCOW, May 30 ??“ Boris Nemtsov, the Russian advisor of Ukraine's President Viktor Yushchenko, has said that Yulia Tymoshenko may soon be sacked as Ukrainian premier.

KIEV, May 30 ??“ Kiev will develop cooperation with Jakarta, Indonesia and Rio de Janeiro, Brazil.

KIEV, May 30 ??“ Ukraine??™s two richest steel barons, Rinat Akhmetov and Viktor Pinchuk, apparently offered the government a deal on Monday to settle out of courts the disputed privatization of Kryvorizhstal, the largest steelmaker.

KIEV, May 30 ??“ A high-profile merger of three Ukrainian aviation companies into a large domestic aircraft manufacturing concern came in jeopardy after a court had ruled to freeze assets of one of the partners.

ASTANA, May 30 ??“ Ukraine and Kazakhstan on Monday agreed in principle to boost cooperation in oil and gas sectors that may lead to an array of mutual investments in oil extraction and transportation projects.

KIEV, May 31 ??“ By 2020-2030 Ukraine is planning to minimize energy imports to ensure the country's energy security, Fuel and Energy Minister Ivan Plachkov said in an interview with a Ukrainian TV channel.

KIEV, May 31 - Parliament voted Tuesday to reject a bill that had called for nationalization of Ukraine??™s two biggest steel and iron ore producing companies.