Group 1 - The investigation into the Nord Stream gas pipeline explosion is progressing, with Russian officials expressing satisfaction and hoping for a swift conclusion to identify the organizers and executors of the incident [1] - German authorities have issued arrest warrants for six Ukrainian suspects linked to the pipeline sabotage, with one suspect possibly deceased [2] - A total of seven individuals were involved in the sabotage operation, including an organizer and several specialists, with one suspect, Sergey K, arrested in Italy [3] Group 2 - The suspects carried fake passports, including a set of Ukrainian passports, indicating possible support from Ukraine [4] - One suspect, a Ukrainian soldier named Vsevolod K, may have died during the ongoing conflict and had previously received military training in Germany [5] - Investigators are still determining whether the Ukrainian government was directly involved in orchestrating the explosion [6]