Hong Kong should have laws banning parents from inflicting corporal punishment on their children, international child rights experts say. Jurisdictions that have signed the Convention on the Rights of the Child, including Hong Kong, have been urged in a recent United Nations report, submitted to the UN General Assembly in October, to tackle the problem. 'The Hong Kong government should have the law to send a clear signal that all violence against children is unlawful,' said Peter Newell, a London-based child rights advocate for 30 years and an adviser for the UN report. 'It is accepted as wrong to hit women and old people. Why is it allowed for children? ... The most fundamental human rights are to respect everyone's physical integrity and their human dignity.' Mr Newell is in Hong Kong with fellow child rights advocate Dominique Pierre Plateau of Save the Children. They will join a forum today on banning corporal punishment, organised by Against Child Abuse, before heading to the Philippines and Taiwan to continue a worldwide campaign. The UN report on corporal punishment sets a deadline of 2009 for states to prohibit all violence, including all corporal punishment and other cruel, inhuman or degrading forms of punishment. Despite being a signatory, Hong Kong only has laws banning corporal punishment in schools but not by parents at home. A survey commissioned by Save the Children in eight Southeast Asian states, including Hong Kong, revealed that all 3,000 children interviewed found they had been beaten by their parents. The survey is a part of the UN study. 'The most common assault is that children had their ears twisted until they bled. Some [parents] routinely ask their children to do sit-ups under the Sun. Some [children] have been stripped and ordered to run around the house,' said Mr Plateau, adding that many were locked up, hung upside down from a tree, and tied to a moving motorcycle. In the past decade, pushed by the convention and more individuals speaking up, 16 countries, including Germany, Finland, Austria, Denmark and Norway, have introduced laws to ban corporal punishment and another 20 countries have committed to legislation.