China expelled a Swedish rule-of-law activist, whose detention on suspicion of endangering state security and subsequent confession on Chinese television drew international attention to the country’s latest crackdown on dissent. As WSJ's Josh Chin reports:

Peter Dahlin was released from Chinese police custody and sent back to Sweden on Monday, according to a statement posted on Facebook by a spokesman for China Urgent Action Working Group, a legal aid nonprofit Mr. Dahlin helped set up in 2009. Mr. Dahlin’s Chinese girlfriend, Pan Jinling, was also released, the statement said, citing China’s Ministry of Foreign Affairs....