Sweden’s refusal to share information about the sabotage of the Nord Stream pipelines is “puzzling,” and withholding the results of the investigation means that “Swedish authorities are hiding something,” Russia’s Foreign Ministry spokeswoman Maria Zakharova said on Thursday. Traces of explosives were found near the sites of the explosions at the Nord Stream 1 and Nord Stream 2 gas pipelines in the Baltic Sea, Sweden said in November, noting that the incident is “gross sabotage.” Gas leaks…