Hong Kong leading pro-democracy activist Szeto Wah sings during a candlelight vigil at Hong Kong's Victoria Park to mark the 18th anniversary of the military crackdown on a pro-democracy movement at Beijing's Tiananmen Square in 1989, in this June 4, 2007 file photo. Szeto Wah, former lawmaker and chairman of the Hong Kong Alliance in Support of Patriotic Democratic Movements of China since 1989, suffering from lung cancer and died in a Hong Kong hospital January 2, 2011 at the age of 79, local media reported on Sunday.
