Shanghai raised its local typhoon warning on Saturday afternoon as eastern China braced for the arrival of Typhoon Bavi, cancelling flights and ferry services and evacuating thousands of people. As of 6pm, Shanghai transport authorities had limited the speed on the overground sections of four subway lines, and warned it may impose further limits or partially suspend services on the rest of the network on Sunday and Monday. The city government has also imposed a 60km/h (35mph) speed limit on all...