The tiny Pacific country of Nauru has blocked access to Facebook in a move criticised as a "dictatorial" attempt to stifle dissent.
As officials insisted the censorship was intended to curb pornography and protect Nauru's "Christian heritage and culture", critics said the remote island nation was seeking to prevent political opposition.
"The first reason they gave [for the closure] was due to a technical problem - now it's all about porn," opposition MP Matthew Batsiua told Australia's ABC News.
"This is all about [government minister David] Adeang and his cronies being worried about the ever-increasing number of people who have taken to social media to criticise his dictatorial style, which even the President is either unwilling - or too scared - to rein in."