Thousands of people joined a rally in Hong Kong on Sunday to demand justice for victims of the Manila hostage bloodbath. Demonstrators voiced their anger over the Philippine government's handling of the siege in the heart of Manila on Monday, which left eight Hong Kong tourists dead. The sea of demonstrators observed three minutes of silence as they gathered in a Hong Kong park, many wearing yellow ribbons and carrying white flowers, the traditional Chinese colour of mourning.The Hong Kong political parties organising the rally, the latest in a series of events marking Monday's tragedy, said it could draw as many as 50,000 people. Members of the city's 200,000-strong Filipino community voiced fears of retribution. Filipino groups are staging their own events in remembrance of the victims, including a candlelight vigil. Philippine vice consul Val Roque, in a text message to the community, urged them to set aside what they are doing and attend today's memorial masses.