Russia is gaining the advantage in the war in Ukraine, owing to its greater number of troops and arms supplied by China, North Korea and other countries, Norway’s intelligence service warned on Monday. Presenting its annual risk report along with other Norwegian security services, the head of the military intelligence unit Nils Andreas Stensones said Kyiv would need “extensive” Western military aid to turn the tide. “In this war, Russia is currently in a stronger position than it was a year ago and is in the process of gaining the advantage,” Stensones told reporters. He said Russia “could mob…