REUTERS

Read alsoNord Stream 2 to make Russo-Ukrainian war more likely: Polish PMPolish Prime Minister Mateusz Morawiecki has called for the United States to impose sanctions on the planned pipeline, which U.S. Secretary of State Rex Tillerson said last month the U.S government sees a threat to Europe’s energy security, Reuters said.

"We had different views on the Nord Stream issue," Merkel told reporters after meeting Morawiecki in Berlin.

"We think this is an economic project. We are also for energy diversification. We also want Ukraine to continue to have transit gas traffic, but we believe Nord Stream poses no danger to diversification," she added.