Films and Video: Government has no power to censor films.Cinemas licensed by local government authorities,which have a legal duty to prohibit the admission of children under 16 to unsuitable films, and may prevent the showing of any film,although this particular power is hardly ever exercised.In assessing the suitability of film,authorities rely on the British Board for Film classification,an independent non-statutory body to which film offered to the public must be submitted.