- The FAA put a nationwide ground stop on all flights Friday after a communications issue — officials called it a safety move and said technicians were investigating.
- The halt stranded dozens of sports teams en route to weekend games, including big college programs (Utah, Texas, Tennessee) and several NBA and NHL squads.
- With referees and many teams delayed, the status of numerous college, NFL and pro games this weekend was uncertain — some teams had already left and others considered lengthy bus trips.
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