More than 25 cities will hold their own demonstrations to show solidarity with the Hong Kong rally.
The law is being strongly opposed by Hongkongers from all walks of life, including students, housewives, lawmakers and the judiciary.
The Centre for Health Protection has reminded the public to carry and drink plenty of water to prevent dehydration while engaging in outdoor activities.
Fitbit-style bands record when pupils enter and exit campus, but do not have a GPS location-tracking function.
Former commissioner who oversaw police response to the Umbrella Movement in 2014 would become the executive director at the United Nations Office on Drugs and Crime.
More than 180,000 people arrived at Victoria Park to mark the anniversary of June 4
Organisers say this year's turnout exceeds 2012 and 2014, but police estimate crowd was 37,000 at most.
Voices from the city speak about what the events of June 4, 1989 mean to them.
The 1989 protests are still talked about 30 years on – here’s what you need to know.
Community organisations in Hong Kong are fighting to improve society through policy suggestions, but the system isn't always on their side.