Luo Changping Detained in China After Criticizing ‘The Battle at Lake Changjin’

Luo Changping built a reputation as a muckraking journalist in China, a place where few dare pursue the calling, until he was forced out of the industry in 2014. Now a businessman, he has run afoul of the authorities again, this time over a critique spurred by a blockbuster movie about the Korean War. The police detained Mr. Luo, 40, on Thursday, two days after he posted commentary on social media questioning China’s role in the war, the subject of a new film, “The Battle at Lake Changjin.” The movie…