Passengers check on their flights at Hong Kong International Airport in south China's Hong Kong, Sept. 22, 2013. More than 400 flights have been cancelled or delayed as typhoon Usagi hit Hong Kong on Sunday. The Hong Kong Observatory issued a No. 8 storm signal, the third highest level, at 6:40 p.m. on Sunday, saying Usagi would make its landfall in the evening. (Xinhua/Lui Siu Wai) |