Bangladesh, Aug. 10 -- Rio De Janeiro, Aug 9 (AP/UNB) - Brazil's top court says officials cannot investigate U.S. journalist Glenn Greenwald for his work or for protecting confidential sources - a ruling praised Friday by press rights groups.

The Committee to Protect Journalists said the ruling by Justice Gilmar Mendes "reinforces the principle of confidentiality of sources, which is paramount to the protection of a free press."

But the committee added that it remained "concerned about the deteriorating conditions for the independent press in the country."

Greenwald is the co-founder of The Intercept Brasil, a news website that has published a series of reports based on leaked chats raising questions about whether Brazil's justice mini...