Germany Investigates Ukrainian Link in Nord Stream Pipeline Sabotage

Arrest warrant issued for Ukrainian national as political tensions rise over 2022 explosions

German lawmakers demand reparations and halt of military aid to Ukraine.
Russia criticizes Germany's progress and accuses the U.S. of involvement.
Ukraine denies involvement despite reports of high-level approval of the attack.
The explosions led to significant economic and environmental repercussions.
Investigators face challenges in extraditing suspects from Ukraine.