Dutch intelligence officials shared information with the C.I.A. in June 2022 that they had learned the Ukrainian military had been planning an operation using divers to blow up one of the pipelines.
The Chinese leader's state visit showed Moscow and Beijing united against the West, but failure to agree on the Siberia Power 2 pipeline suggested that economic ties have limits.
Moscow bet its energy shipments to Europe would stifle the opposition to its invasion of Ukraine. Instead, it sparked a backlash that has dramatically altered global trade.
