Due to the Olympic Games, China has promised that reporters would have free access to the internet. They've promised this for several years, and made the promise again only a few days before the Olympics start.
Never mind though, they still block internet access for reporters to scary sites like Amnesty International, Reporters Without Borders, dissidents, human rights, and pro-T1bet@n groups. Part of this is explained in that the officials are just following Chinese law forbidding access to such sites.
Reuters video (in English)
Read the full story (in French)
And also here (in French)