Before he was battling
police on the front lines of Hong Kong's democracy movement, Tony Tsang, 18, was best known to his peers as a school vice-captain, organising events for fellow students, friends said on Wednesday. Tsang is stable in hospital where he is under arrest. What started as
protests over a now-withdrawn extradition bill that would have allowed people to be sent to mainland
China for trial have evolved into calls for greater democracy, among other demands.