Police are appealing for information on Lau Lap-sun's whereabouts.
The scientist, who had battled Alzheimer’s disease for years, did research on fibre optics which helped the development of modern communications.
Many of the traditional venues, including parks and beaches, are still closed due to the destruction of last week's powerful storm.
The separatist Hong Kong National Party has been prohibited from further operations.
Police roadblocks set up in Kowloon West to track down suspects’ white getaway car.
Dirty toilet water has been leaking into the sea in Sai Kung, authorities said, after a sewage treatment facility was damaged by Typhoon Mangkhut last weekend.
Discrimination, misconceptions, career options, and why these HK students don't want to be labelled "ethnic minorities"
Around 40 per cent of non-Chinese youth in Hong Kong don’t want to be working here, and some are treated badly.
Survey shows 68 per cent of young adults have doubts about central government.
Khaw Kim Sun, the Malaysian professor has been found guilty of murdering his wife and teenage daughter using a gas filled yoga ball.
Typhoon Mangkhut clean-up efforts uncover 2001 Jackie Chan movie posters, road signs, and other Hong Kong memories
As it turns out, echos of our history is buried just beneath the surface.