The government’s top spokesman on Tuesday declined to comment on — but did not deny — a report alleging that Tokyo has secretly and closely cooperated with the U.S. National Security Agency in intelligence-gathering, having been provided with an extremely powerful mass-surveillance tool that can hack and monitor emails and other private communications.

The joint report by The Intercept, an online investigative reporting organization, and NHK is based on top-secret documents provided by whistleblower and former NSA contractor Edward Snowden.

In a time of both misinformation and too much information, quality journalism is more crucial than ever.
By subscribing, you can help us get the story right.