Playground closed after students become sick

A primary school playground has been deemed off limits after some students at the school reportedly became sick.

An investigation will be carried out on the playground of Beijing No 2 Experimental Elementary School's Baiyunlu campus, the education commission of Beijing's Xicheng district said on Friday.

"Parents will be invited to work together with education experts and authorities, and findings will be released in a timely manner," the commission said on its website.