US officials say the disruption was caused by old equipment overloading and not a cyber-attack.
What we know about the ground stop and what to do if you're affected
Source: BBC News

Original reporting
BBC News: read the full reportFollow this story
Earlier reports and follow-ups on the same developing story.
- · The GuardianFlights slowly resume after US aviation agency lifts nationwide ground stop
- · DexertoStudent pilot panics after nationwide FAA ground stop hits during first solo cross-country flight
- · ESPNFAA ground stop throws sports world into travel chaos ahead of weekend games
- · The VergeWork to replace old copper wire led to the FAA’s ground stop
- · Al JazeeraUS blames system upgrade for longest nationwide FAA ground stop since 9/11
- · CNBCNationwide ground stop followed contractor upgrade to L3Harris telecommunication system: DOT’s Duffy
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