President Donald Trump said on Saturday he is considering a pardon for Edward Snowden, the former US National Security Agency (NSA) contractor - now living in Russia - whose spectacular leaks shook the US intelligence community in 2013.

The Republican president's comments followed an interview Trump gave to the New York Post this week in which he said of Snowden that "there are a lot of people that think that he is not being treated fairly" by US law enforcement.

US authorities for years have wanted...