05/04/2011 (Agence Europe) - EU concerned at the disappearance of opposition member. EU Ambassador to China Markus Ederer expressed his concern, on Tuesday 5 April, at the fate of the artist, Ai Weiwei, one of the most well-known critics of the Chinese government, who disappeared last weekend as he sought to board a plane for Hong Kong. “We call on the Chinese authorities to refrain from using arbitrary detention under any circumstances”, he states in a press release. In December, Ai...