From BBC News:
Two Chinese officials have failed to return from trips to France, prompting speculation that they were seeking to evade possible corruption allegations.
Xin Weiming, a Shanghai district chief, left a note for colleagues saying he was visiting friends in Paris.
Zhejiang province official Yang Xianghong said he was staying in France to receive medical treatment.
Hundreds of Chinese officials are said to have fled abroad in recent years to escape allegations of corruption.