China News Service, January 11th, a comprehensive report. On the 11th local time, flights across the United States were grounded due to computer system failures.

White House Press Secretary Karin Jean-Pierre tweeted that President Biden directed the Department of Transportation to conduct a full investigation.

  According to the British Broadcasting Corporation (BBC), at 9:00 a.m. local time on the 11th, the FAA issued a document stating that the current ban on all flights departing from the United States has been lifted, and the FAA will continue to investigate the cause of the failure.

  White House Press Secretary Karin Jean-Pierre also posted on social media Twitter that day that US President Biden received a briefing from the Secretary of Transportation on the failure of the FAA system in the morning.

  "There is currently no evidence that the outage was due to a cyber attack, but the President directed the Department of Transportation to conduct a full investigation," Pierre wrote.

  It is reported that Biden told reporters earlier that the FAA does not currently know what caused the computer failure.

"The (FAA) will have a good understanding of the cause of the malfunction within a few hours, and we will respond at that time," Biden said.

  Earlier in the day, the Federal Aviation Administration (FAA) subsequently ordered all U.S. airlines to suspend domestic flights due to a computer notification system failure that affected flights across the United States.