U.S. officials say a code-red alert imposed early Thursday is aimed at commercial traffic from Britain, with focus on flights by United Airlines, American Airlines and Continental Airlines.
U.S. officials say a code-red alert imposed early Thursday is aimed at commercial traffic from Britain, with focus on flights by United Airlines, American Airlines and Continental Airlines.
美国官员说，星期四早上宣布的红色警戒级别针对来自英国的航班，主要是由联航、美利坚航空以及大陆航空公司运营的航班。