On April 17, Xinhua condemned what it called "biased coverage of the Lhasa riots and the Olympic torch relay by the U.S.-based Cable News Network (<answer>CNN</answer>)". The same day, the Chinese government called on <answer>CNN</answer> to "apologise" for having allegedly insulted the Chinese people, and for "attempting to incite the Chinese people against the government". <answer>CNN</answer> issued a statement on April 14, responded to China over 'thugs and goons' comment by Jack Cafferty.
 Who did Xinhua accuse of biased reporting on April 17?
CNN