Exiled Tiananmen dissident barred from Hong Kong

A Tiananmen Square protest leader was barred from entering Hong Kong on Sunday after travelling to the city for a candlelight vigil marking the crackdown's 30th anniversary, organisers of the memorial said.Other former student leaders from the 1989 protests have been blocked from entering the city before, according to local media reports, but a growing list of overseas activists and politicians have been refused passage into the semi-autonomous Chinese city in recent years.The 53-year-old was st