SafetyNord Stream blasts could have been ‘false flag’ attack, says GermanyClaim made as German Defence Minister Boris Pistorius and NATO Secretary General Jens Stoltenberg urge caution on reaching premature conclusionsBlast site: Gas bubbles from the Nord Stream 2 leak reaching surface of the Baltic Sea near Bornholm, Denmark, last September.Photo: DANISH DEFENCE COMMAND/REUTERS/SCANPIXZsuzsanna SzaboOslo