- Fourth leak found on Nord Stream pipelines, Swedish coastguard saysReuters.com
- First on CNN: European security officials observed Russian Navy ships in vicinity of Nord Stream pipeline leaksCNN
- European Union suspects ‘sabotage’ in Nord Stream pipeline explosion | USA TODAYUSA TODAY
- Self-Sabotage in the Baltic: Elements by Clara Ferreira MarquesBloomberg
- Record methane leak flows from damaged Baltic Sea pipelinesThe Associated Press – en Español