Nails and other items have been removed so far, and the schoolyard is ready for use. The Board of Education of the ward has requested an emergency inspection of elementary and junior high schools and children's schools in the ward.
The school principal said, "We regret and apologize for the inadequate safety inspections, and we will strive to ensure safety by not using nails in the future" The school has banned the use of the school grounds, and when they asked a contractor to examine them with metal detectors, a total of 544 nails were found.