Afterpay co-founder Nick Molnar to depart Block after 13 years

详细摘要

Flights to US delayed across Sydney, Melbourne and Brisbane; Warner accuses Cricket Australia of sandpapergate cover-up. Follow live updates.

The US Federal Aviation Administration lifted a nationwide ground stop after a communications failure at air traffic control centres caused chaos at airports and triggered the longest nationwide shutdown since the September 11, 2001, attacks.

More than 4,700 flights were cancelled and 10,000 delayed on Friday (Saturday AEDT), while another 700 had already been cancelled for Saturday, according to FlightRadar24. Aviation analysts said it could take days for airlines to restore their schedules after a nationwide grounding that lasted more than four hours.

The Department of Homeland Security said there were no signs the outage was caused by a cyberattack.

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