nordstream leak FILE
CNN  — 

The US received intelligence from a European ally last year that the Ukrainian military was planning an attack on the Nord Stream natural gas pipelines three months before they were hit, three US officials told CNN.

The attack on the pipelines last September has been condemned by US officials and Western allies alike as a sabotage on critical infrastructure. It is currently being investigated by other European nations.

The intelligence assessment was first disclosed by The Washington Post, which obtained the document from a trove of classified documents allegedly leaked on the social media platform Discord by Air National Guardsman Jack Teixeira.

CNN has not seen the document but the three officials confirmed the US was told about the Ukrainian plans.

According to the Washington Post, the intelligence cited a source in Ukraine which said Western allies “had a basis to suspect Kyiv in the sabotage” for almost a year. The intelligence said that those who may have been responsible were reporting directly to Ukraine’s commander in chief, Valerii Zaluzhnyi, “who was put in charge so that Ukraine’s president, Volodymyr Zelensky, wouldn’t know about the operation,” the Post reported.

But, the intelligence also said that Ukraine’s military operation was “put on hold.”