SHANGHAI—China’s hugely popular Jinri Toutiao news and content aggregation platform has come under investigation for allegedly slandering a Chinese war hero in violation of the country’s new “Heroes and Martyrs Protection Law.”
The content, which has since been taken down, featured a famous satirical comic known as Baozou Comic portraying Dong Cunrui, a Communist soldier who blew himself up during the Chinese Civil War to destroy a Kuomintang bunker. The comic used the episode, taught widely in Chinese schools, as a platform...