Ai Weiwei is recovering from surgery the Globalpost reports:

The iconic Chinese artist and designer Ai Weiwei is set to undergo surgery in Germany this morning for a cranial bleed, possibly caused by his beating at the hands of the police in Chengdu last month, according to the artist’s Twitter feed. […]

On his Twitter feed, Ai posted that after a month of headaches, he was diagnosed in Munich with a cranial bleed and headed for surgery today.

Surgery for Chinese Activist Beaten by Police? (Global Post)