A pro-democracy protester makes nail roadblocks inside the campus of the University of Hong Kong, early Thursday, Nov. 14, 2019. (AP Photo/Kin Cheung)
A pro-democracy protester makes nail roadblocks inside the campus of the University of Hong Kong, early Thursday, Nov. 14, 2019. (AP Photo/Kin Cheung)
Riot police stand guard as they face off with pro-democracy protesters at the campus of the Hong Kong Polytechnic University, in Hong Kong, Thursday, Nov. 14, 2019. (AP Photo/Ng Han Guan)
A protester tries remove plastic items from a fire burning amid debris placed to block a road leading to the Cross-Harbour Tunnel in Hong Kong, Thursday, Nov. 14, 2019. (AP Photo/Ng Han Guan)