On September 9, multiple students at Xinhua Primary School in Hechuan, Chongqing, suffered nosebleeds. Parents suspect formaldehyde exceeding standards due to new renovations. The school claims tests are qualified, while some parents report being asked by teachers to delete posts.[Student Rights and Interests][Chongqing][Campus Safety][Educational Coercion][Xinhua Primary School][Formaldehyde Exceeds Standard]