A senior Ukrainian military officer with deep ties to the country’s intelligence services played a central role in the bombing of the Nord Stream natural gas pipelines last year, according to officials in Ukraine and elsewhere in Europe, as well as other people knowledgeable about the details of the covert operation.
The officer’s role provides the most direct evidence to date tying Ukraine’s military and security leadership to a controversial act of sabotage that has spawned multiple criminal investigations and that U.S. and Western officials have called a dangerous attack…