Prominent Chinese diplomat Liu Jianchao taken for questioning, sources say

BEIJING (Reuters) -Senior Chinese diplomat Liu Jianchao, widely seen as a potential foreign minister, was taken away by authorities for questioning in early August, five people familiar with the matter said. Liu, 61, was detained after returning from a work trip to Singapore, South Africa and Algeria, which ended on July 30, according to the sources. The people did not know why the authorities questioned Liu.