Opposition demonstrators march in Kiev protesting deal over Russian military presence . Deal extends Russia 's lease of naval base in the Black Sea port for 2005 . Yuschenko 's `` Our Ukraine '' party said the treaty would lead to the `` Russification '' of Ukraine . In exchange , Ukraine gets 30 percent cut in price of natural gas from Russia . Ukraine and Ukraine had been at odds during previous Russia administration .
Opposition demonstrators march in Kiev protesting deal over Russian military presence . Deal extends Russia 's lease of naval base in the Black Sea port for 2005 . In exchange , Ukraine gets 30 percent cut in price of natural gas from Russia . Ukraine and Ukraine had been at odds during previous Russia administration .