Region, and said ukraine targeted an oil refinery and several Fuel Stations inside russia. The head of russias Electoral Commission said there have been 20 incidents so far of people targeting ballot boxes. Protests could continue on sunday when supporters of the late opposition figure Alexei Navalny are calling on people throughout russia to protest against president putin. Meanwhile in the estonian Town Of Narva, where many residents are russian, people crossed the border to vote in russias president ial election. Narva is one of only a handful of places where the border between the eu and russia is still open. Bbc russian s Oleg Boldyrev sent this report. Here in the Estonian Border Town Of Narva lies the frontier between the western world and russia. Across the river with its formidable fortress lies ivangorod, a town 170 kilometres away from St Petersburg and this is one but a handful of places where the border between the eu and russia is still open. What is even more unusual is