Organisers say "almost two million" people turned out for mammoth protest in a vehement show of opposition to proposed legislation that has stoked fears of expanding control from China.
The Hong Kong government was forced to delay the start of a legislative session on the contentious extradition bill as protesters massed outside the chamber and government headquarters.
Hundreds of thousands protest new laws that allow the extradition of convicts to other Chinese territories.
The city's pro-Beijing leaders are pushing a bill through the legislature that would allow extraditions to any jurisdiction with which it does not already have a treaty — including mainland China for the first time.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2019 TRT World.