Hu skips G8 over China unrest
Chinese president rushes back as ethnic tensions in Xinjiang flare again.
Video: The Xinjiang media campaign
Video: Uighur leader speaks out
Video: Xinjiang in grip of unrest
Muslim states 'silent' on Uighurs
Uighurs blame 'ethnic hatred'
Video: Uighur culture under threat
Q&A: China's restive Uighurs