A group that has issued calls for pro-democracy protests in China said its Google-hosted site was hacked on Thursday, amid a far-reaching government crackdown on activists.

Molihuaxingdong or "jasmine movement" in Chinese runs one of several websites that have put out weekly appeals for peaceful protests in various cities across China and elsewhere. At least half a dozen other websites also issue similar protest calls.

Though the calls have attracted few outright protesters, they have spooked the Chinese government into launching one of its broadest campaigns of repression in years to keep the protests from catching on, as they have in the Middle East and North Africa.

The "jasmine movement" group told The Associated Press by e-mail that all of the content on its site had been removed this afternoon.

Where previously the group's site contained pages of text, photos and other content, today the site became an empty page bearing only the words: "long live the jasmine flower."