Power Outages Electricity Supply Outages Substations Puerto Rico Puerto Rico Power Grid Blackouts Electric Service Utility Outages Power Restoration Repairs Grid Resilience Utility Companies Energy Disruptions Attacks on Energy Facilities Emergency Measures Energy Security Impact of War Undersea Cables High Tension Lines Electrical Failures Electricity Restoration Electricity Energy Sector Dams Targeted Attacks on Energy Facilities Electricity Generation Thermal Power Plants Energy Facilities Electricity Outages Vulnerability of Power Grid
Reports reveal Heathrow was warned of power vulnerabilities days before the outage, intensifying scrutiny of its crisis management and infrastructure resilience.