The European Union has taken tentative steps to establish direct communication with Moscow as officials seek to ensure the bloc has a seat at the table in any future negotiations aimed at ending Russia's war in Ukraine, according to officials familiar with the effort.

The news emerged as Ukraine launched one of its biggest drone attacks since Russia’s all-out invasion of its neighbor more than four years ago, Russian officials said Thursday. A major oil refinery was hit for a second time in a week and commercial flights at Moscow airports were disrupted.

Against the backdrop of conflict, and despite reservations among some European leaders, the EU has been quietly seeking to reopen communications with Moscow even as it doubles down on its support for Kyiv. President Vladimir Putin, meanwhile, has tried to cut out Europe and Kyiv and negotiate Ukraine’s future with Washington.

"⁠In the past few weeks, brief contacts were made at diplomatic level to open communication channels, but nothing was discussed on substance,” an EU official with knowledge of the approach said on condition of anonymity to discuss the sensitive move. A second official, also speaking on condition of anonymity because they were not authorized to speak to the media on the matter, confirmed the Russia outreach is taking place but declined to comment further.