Environmental department workers inspect a river in Pasir Gudang, state of Johor, Malaysia, March 13, 2019. Malaysian Prime Minister Mahathir Mohamad said on Thursday that the situation in an area of the southern Johor state was under control, after hundreds of people fell sick due to chemical pollution. The authorities closed 111 schools on Wednesday after students and members of the public were given treatment for exposure to chemicals, with symptoms including shortness of breath, nausea and vomiting. (Xinhua)