Ukrainian President Volodymyr Zelensky said his country played no role in the sabotage of the Nord Stream gas pipelines linking Russia to Europe, following the arrest in Croatia of a second Ukrainian suspect sought by Germany. “Ukraine has never even been involved in even the idea of this operation,” Zelensky told reporters during the Ukraine Nordic-Baltic summit in Kyiv on Sunday. “I hope there will be results of the investigation. We are ready to help.” Croatian police arrested a Ukrainian...