Drivers in the Serbian capital of Belgrade stopped their cars on a highway on June 11 to protest against high fuel prices, blocking traffic for around 20 minutes, Radio Free Europe reported.The outlet reported that the protesters demanded the government lower the tax on fuel, which makes up about 55 percent of the price. The cost of gasoline recently rose to €1.29 per liter, RFE reported.Similar protests were also held on Friday. Credit: Radio Free Europe/Radio Liberty via Storyful