NATO shifted some of its troops on Friday in order to be able to respond swiftly if needed, as Russian attacks on Ukraine continued unrelentingly and Western countries and alliances imposed tougher sanctions on Moscow. NATO is deploying units of the rapid reaction NATO Response Force (NRF) on land, at sea, and in the air to respond quickly to any contingency, Secretary General Jens Stoltenberg said, as Russian continued its attack on Ukraine. He did not initially state where the troops would be deployed, in comments that followed a video conference with NATO leaders, but dpa learned that groun…