The clashes in Hong Kong earlier this week may on the surface have been about unlicensed food stalls, but were fuelled by a growing "localist" sentiment.
Localists champion greater autonomy for Hong Kong, and protection against what they see as the dilution of the city's identity amid growing social and political influence from mainland China.
But what is it that has made them so angry?
The localist movement is driven primarily by two loose groups - Hong Kong Indigenous and Civic Passion - which grew in strength in the aftermath of the 2014 pro-democracy protests, staging demonstrations and fielding candidates in political races.
Though Hong Kong has many pro-democracy groups, localists and their supporters are known for favouring direct action and not shying away from confrontation with authorities.
