BRUSSELS—European companies are ramping up security around pipelines and energy prices are climbing again as the suspected sabotage of two pipelines that deliver natural gas from Russia underscored the vulnerability of Europe’s energy infrastructure and prompted the EU to warn of possible retaliation.
Some European officials and energy experts have said Russia is likely to blame for any sabotage—it directly benefits from higher energy prices and economic anxiety across Europe—although others cautioned against pointing fingers until investigators are able to determine what happened.
Russia has sharply curtailed natural gas shipments to Europe in retaliation for sanctions that the West put in place after its invasion of Ukraine. On Wednesday, Russian energy giant Gazprom increased the pressure, threatening on Twitter to cease dealing with a Ukrainian company that controls one of the two remaining pipelines that ship Russian gas to Europe….