Russia, Ukraine gas talks need sense of urgency - EU's Sefcovic

BRUSSELS (Reuters) - Russia and Ukraine need a sense of urgency in their talks on gas transit for Europe, the European Union's energy chief Maros Sefcovic said after the latest round of talks he chaired in Brussels on Monday failed to yield progress.While the bulk of Russian gas sent to Europe flows via Ukraine, there are a number of obstacles to a new deal, such as a political row between Kiev and Moscow, a pro-Russian insurgency in eastern Ukraine, and litigation between Russian gas supplier..