What to know

• A Ukrainian officer is on trial for war crimes related to blowing up the pipelines, testing the limits of wartime sabotage and Germany’s alliance with Kyiv.S1
• Trial Begins in Germany for Ukrainian Accused of Nord Stream SabotageS2
• A Ukrainian ex-military officer goes on trial in Germany on Wednesday, accused of organising the secret operation ​that blew up the Nord Stream gas pipelines in September 2022, severing western Europe from the biggest source of Russian natural gas. The suspect...S3