The Weibo homepage (file photo)
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Internet censorship around the world

Singapore's government is set to tighten regulations for news websites - a move that has drawn accusations that the authorities are trying to control blogs that post anti-government comments.

But press censorship is nothing new, and in countries around the world governments are still working out how to respond to the publishing freedom the internet allows.

BBC correspondents in China, India and the US give their views on what form internet censorship is taking in these countries.