on using long-range ATACMS missiles inside Russia were a "mistake.""From the beginning, we have made the mistake of limiting the Ukrainians because it could be seen as an escalation," Landsbergis said.U.S. officials have repeatedly said that they do not support or encourage Kyiv's strikes with American weapons deep inside Russia, while Ukrainian officials are reportedly trying to convince Washington to lift this ban.Landsbergis said such decisions were "dominated by fear of Russia" and worries about escalating the conflict beyond Ukraine's borders."The Ukrainians must be allowed to use the equipment provided to them so that they can achieve strategic objectives," he said."They must be able to strike Russian territory, supply lines, and military units preparing to attack Ukraine."Only one side has rules imposed on it.