BEIJING (AP) — China's airline regulator has warned travelers to expect flight delays at 12 airports through mid-August, and an airport employee said military exercises are the reason. The Civil Aviation Administration of China said airports affected include the major cities of Shanghai, Nanjing, Hangzhou, Zhengzhou and Qingdao, China Central Television said Tuesday on its website. Disruptions began July 20 and are due to last through Aug.Read more on NewsOK.com