Nearly 40,000 sign US whistleblower 'pardon' petition

A petition posted on the White House website, calling for an immediate pardon of US whistleblower Edward Snowden, has gathered nearly 40,000 signatures.

The former technical worker at the CIA and America's National Security Agency was revealed by the Guardian as being behind leaks of secret US government surveillance programmes.

The petition on the White House website Credit: The White House