Serhii Kuznetsov, a special forces officer from the Ukrainian military, ended his first day on trial in Hamburg after just over two hours, NDR reported [E2][E6].
NDR reported the next hearing is set for 27 October [E8].
Al Jazeera reported the trial opened on Wednesday at the Hamburg Higher Regional Court and is expected to run into February next year [E4].
The 2022 attack on the Nord Stream gas pipelines between Russia and Germany is the event he is accused of taking part in, the Guardian reported [E1].
Prosecutors accuse him of being an accomplice to war crimes by attacking civilian infrastructure, causing an explosion, damaging property and disrupting public services, the Guardian reported [E2].
Kuznetsov will be identified as Serhii K due to German privacy laws in the trial, but was referenced by his full name in an extradition order, the Guardian reported [E3].
He denies any involvement and is the only person on trial, Al Jazeera reported [E5].
NDR reported a demand that proceedings against the defendant be discontinued [E7].