JOHOR BARU: The Johor government is still unsure what caused the latest air pollution incident, which occurred on Thursday (June 20) with 15 cases of breathing difficulties and vomiting, including 13 students from Sekolah Agama Taman Mawar in Pasir Gudang.
Mentri Besar Datuk Dr Sahruddin Jamal (pic) said the authorities were still investigating the cause of the incident.
