A week after several suspicious ruptures were discovered along the undersea Nord Stream pipeline, gas has reportedly stopped leaking but the questions keep flowing. Namely: What — and who — caused the damage? And how can countries try to prevent similar incidents going forward?
Scientists say the two leaks were likely caused by powerful underwater explosions, based on seismic data from Sweden and Denmark. And European leaders believe those leaks were no accident, with NATO blaming "deliberate, reckless, and irresponsible acts of sabotage."
