U.S. President Donald Trump said on Thursday he was not sure the United States should be spending anything on NATO, telling reporters the U.S. was protecting NATO members, but they were "not protecting us.

Lithuania and Estonia have become the first NATO members to pledge an increase in defense spending to five percent of GDP, according to a report.

German Chancellor Olaf Scholz said that NATO and the European Union should increase defense spending. This is due to the threat from the Russian shadow navy, Tagesschau reports. According to Scholz, European NATO and EU countries should continue to increase their defense spending.