By Guy Faulconbridge and Sachin Ravikumar LONDON (Reuters) – Russia’s defence ministry said on Saturday that British navy personnel blew up the Nord Stream gas pipelines last month, a claim that London said was false and designed to distract from Russian military failures in Ukraine. Russia did not give evidence for its claim that a leading NATO member had sabotaged critical Russian infrastructure amid the worst crisis in relations between the West and Russia since the depths of the Cold War. The Russian ministry said that “British specialists” from the same unit directed Ukrainian drone attac…