Ground stop issued for all U.S. flights

详细摘要

Airports in the U.S. were at a sudden and stunning standstill Friday night, causing chaos for passengers on both sides of the border.

Airports in the U.S. were at a sudden and stunning standstill Friday night, causing chaos for passengers on both sides of the border.

文章开头，摘自CTV News。如需阅读全文，请前往媒体网站。