Ukrainian ##s march in Kiev protesting deal over Russian military presence . The two countries had been at odds ever since the `` Orange Revolution '' swept Yanukovych 's fiercely anti-Russian predecessor Viktor Yushchenko to power in 2005 . Deal over Russia 's lease of naval base in Black Sea port for 25 years . In exchange , Ukraine gets 30 percent increase in price of natural gas from Russia . Ukraine and Russia had been at odds during previous Ukraine administration .
Ukrainian ##s march in Kiev protesting deal over Russian military presence . Deal over Russia 's lease of naval base in Black Sea port for 25 years . In exchange , Ukraine gets 30 percent increase in price of natural gas from Russia . Ukraine and Russia had been at odds during previous Ukraine administration .