Sent_en: 2zh They were scrambled from Quebec to escort the inter-continental flight originating from London to the Halifax International Airport after a hijacking signal , an apparent accident , was sent from the plane .
Sent_yy: 他们从魁北克紧急出发，护送从伦敦出发的洲际航班前往哈利法克斯国际机场，因为飞机发出了劫持信号，很明显这是一起事故。