"Today marks two years since the enemies of German energy sovereignty blew up Nord Stream. An artery of German industry was cut. Our faction in the Bundestag demands an investigation and punishment for all those responsible. Nord Stream must be repaired, launched and secured!" Chrupalla said on his social media.
The Russian Prosecutor General's Office opened an investigation into the blasts as an act of international terrorism. Russia has repeatedly requested information about the explosions but has received nothing, Kremlin Spokesman Dmitry Peskov has said.