China's western provinces have a particularly troublesome islamists movement. You don't hear much about it as China controls the media very tightly in this isolated part of the country. Could be connected. Might not be. Important thing is is that if any of this is true, at least we are on to the plot.
Troublesome in that they posed a threat to the communist regime's rule.
Not historically associated with fundamentalist Islam or Jihad at all (with fringe group exceptions).