LONDON( Reuters)-One of the architects of the Moscow-backed separatist rebellion in eastern Ukraine eight years ago said Russia's invasion of Ukraine is a mistake, in comments that show the Kremlin cannot count on support from all pro-Russian opponents of Kyiv. Alexei Alexandrov was one of the leaders of a movement in 2014 to reject Kyiv's rule and create an autonomous pro-Moscow territory in Ukraine's eastern Donbas region, triggering a war against Ukrainian government forces. Russian President

DONETSK, Ukraine( Reuters)-Politicians and military sources in Russian-backed breakaway regions of eastern Ukraine say they do not see an imminent risk of full-scale war while attempts are still under way to find a diplomatic solution.A long-simmering conflict between the Russian-backed separatists and the Ukrainian army is part of a deeper crisis between the two countries in which Russia has massed more than 100, 000 troops near Ukraine's borders, prompting U.S. warnings of a possible attack wi