U.S. sanctions over the Nord Stream 2 natural gas pipeline are not a friendly action and they will draw a response, said Russia’s president on Thursday.

“We will respond based on the principle of reciprocity,” Vladimir Putin told his annual year-end news conference in Moscow.

He said the U.S. sanctions over the pipeline would affect bilateral relations between Moscow and Washington.

The U.S. Congress on Tuesday approved a defense budget including sanctions on companies involved in Nord Stream 2 project.

The Nord Stream project — operational since 2011 with an annual capacity of 55 billion cubic meters — brings

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