HONG KONG (REUTERS) – The website of UK-based human rights group Hong Kong Watch could not be accessed through some networks in Hong Kong, stoking concerns of internet censorship in the global financial hub, the organisation said. Hong Kong Watch Chief Executive Benedict Rogers said he was worried the issue could be part of a crackdown under the city's national security law, which empowers the police to request that service providers "delete" information or "provide assistance" on national security cases. The sweeping security law that Beijing imposed on Hong Kong in 2020 punishes what authorities broadly define as subversion, secession,…