A diary which publishers claim is that of the man many blame for the Tiananmen massacre is to be published in Hong Kong.

It gives details on events immediately before and after the killing of workers and students in Beijing in June 1989.

Publishers say the author is Li Peng, the man who announced martial law in Beijing shortly before troops moved in.

In the diary Mr Li declared that he was willing to die to stop the pro-democracy protests.

The news of the diary comes on the 21st anniversary of the massacre.