US government 'hacking' China and Hong Hong
13 June 2013 Last updated at 10:38 BST
The US government has been hacking computers in mainland China and Hong Kong for years according to the whistleblower and former CIA contractor Edward Snowden.
He made the latest claims in an interview with the South China Morning Post, saying it was part of a massive secret US surveillance programme called Prism.
Jennifer Pak reports.