Dec. 28 (Bloomberg) -- Russia warned it may cut off oil supplies to Slovakia, Hungary and the Czech Republic because of a dispute with Ukraine over transit of the commodity, the Slovak government said. Russian Energy Minister Sergei Shmatko notified the European Union of the possible stoppage, the Slovak government said in a statement today, citing an official letter it received from the European Commission, the EUâs executive body. Slovak Prime Minister Robert Fico called an emergency meeting of the countryâs Security Council to discuss the warning. He and Economy Minister Lubomir Jahnatek will speak in a press conference later today, the statement said. http://www.bloomberg.com/apps/news?pid=20601087&sid=ai4A1SCtG4vo&pos=6 Same procedure as last year, mam ?