The company has complied with requests from a Pakistani "bureaucrat" to hide specific content, says the New York Times.
Accounts linked to the spread of government corruption allegations appeared blocked less than a week after the social network agreed to shutter some accounts.
After Prime Minister Tayyip Erdogan instituted a ban -- “wiping out” the social network -- the country’s constitutional court says not so fast.
The move comes just a week after authorities took similar action against Twitter, as the country's prime minister faces growing criticism for limiting free speech.
Renewed access to the site may not last since the Turkish government can appeal the ruling, says Hurriyet Daily News.
After banning dozens of accounts at the government's request, the social network recants and makes the content available again.
Ban on video-sharing site lifted five days after the country's highest court said the move violated freedom of expression.
Wikipedia founder Jimmy Wales describes the European ruling as "wide-sweeping censorship" that "doesn't make sense."
The UK government is compiling a list of websites that have been wrongly blocked by its porn filter, and will go about unblocking them.
Conservative MP Claire Perry has found her website has been blocked by the very porn filter she campaigned for.