Formal charge against Ilham Tohti comes January after violence in southern Tohti . Xinjiang went on a hunger strike during his incarceration in a day . The arrival of waves of Han , China 's predominant ethnic group , over the past decades has fueled ethnic tensions . Human Rights Watch relations are a focus of Tohti 's research .
Formal charge against Ilham Tohti comes January after violence in southern Tohti . Xinjiang went on a hunger strike during his incarceration in a day . Human Rights Watch relations are a focus of Tohti 's research .