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Story summary
- European governments are on high alert due to a surge in Russian hybrid warfare incidents threatening the energy sector.
- The incidents include airspace violations and drone incursions, with no NATO military response yet.
- A Russian-linked tanker severed the Estlink-2 power cable, underscoring energy risks.
- Experts warn Europe is unprepared and urge diversifying energy sources and stronger protections.
- Targeting infrastructure could cause severe winter hardships for households.
