Experts called for stricter regulation of building and testing synthetic playgrounds amid public concerns about student health problems allegedly caused by toxic surfaces.

The Beijing Municipal Education Commission announced on Tuesday that it will work with organizations to draft and implement tougher standards for the construction and examination of school playgrounds to guarantee environmental safety for students.

The call comes after parents claimed their children attending Beijing No 2 Experimental Primary School's Baiyunlu Campus were poisoned by toxic substances emitted by the school's new running track.