caption: Commuters are reflected on a door panel of a subway train as they wait for the resumption of subway service at Fortress Hill MTR station in Hong Kong, Monday, Aug. 5, 2019. Protesters snarled the morning rush hour by blocking train and platform doors to prevent trains from leaving stations. Subway and train operator MTR said Monday that service had been partially suspended on five lines because of a number of door obstruction incidents. (AP Photo/ <PERSON>)