Kyiv (AFP) – The United States and NATO joined Ukraine on Wednesday saying there was no sign of Russian troops withdrawing, after military movements in occupied Crimea fuelled reports that the crisis could be abating. President Volodymyr Zelensky watched Ukrainian soldiers training with new Western-supplied anti-tank weapons near Rivne, west of the capital Kyiv. He also visited the frontline city of Mariupol to mark what he had declared Ukraine’s “Day of Unity”, wearing a military-style olive green coat. “We are not afraid of anyone, of any enemies,” Zelensky said on a day that Western intelli…