In June, the telecoms authority blocked Viber, a free mobile phone application, and threatened others that failed to comply with regulations.
The competition authority blocked Ryanair's first bid for Aer Lingus in 2007 on the grounds that the combined airline would have had a monopoly on too many routes.
In the past week, in a further sign of crackdown on dissenters, Turkey's telecoms authority blocked access to Twitter and on Thursday announced that it was taking similar action against YouTube.
Our static model includes three players; hospitals deciding whether to initiate a merger, consumers paying the insurance premium and choosing a hospital when they fall ill, and a competition authority blocking or approving the merger.
Authorities blocked the site two years later.
On Friday, authorities blocked a relief convoy without explanation.
The authorities blocked another Our Ukraine forum in November in Donetsk.
The authorities blocked off the street for about an hour Saturday night, he said.
It is not clear why the Beijing authorities blocked the visit to Hong Kong.
It tried to solve its problems by taking over a smaller rival, US Airways, but antitrust authorities blocked it.
