Bulgaria's prime minister has ordered a halt to construction work on the Gazprom-led South Stream pipeline project. Plamen Oresharski said after meeting US Senators John McCain, Christopher Murphy and Ron Johnson that he has ordered all work on the disputed project to continue only after consultations with Brussels. Last week, the European Commission opened an infringement procedure against the Balkan country and asked construction work to be stopped, arguing that Bulgaria had not respected EU internal market rules covering the award of public contracts. The stand-off over Ukraine has forced the 28-nation EU into a sudden rethink of its energy...