New York, June 26 -- Surveillance technology should be banned immediately until effective national or international controls are put in place to lessen its harmful impact, a UN-appointed independent rights expert said on Tuesday.

David Kaye, whos the United Nations Special Rapporteur on freedom of opinion and expression, made the appeal as he prepared to present his latest report to the Human Rights Council in Geneva. He highlighted that while States were largely responsible, companies appeared to be operating without constraint too, in a free for all private surveillance industry environment. Surveillance tools can interfere with human rights, from the right to privacy and freedom of expression to rights of association and assembly, relig...