Sometimes they did not even go to school for a whole week due to the haze , causing wide concern among parents and government officials .
In Riau and Palembang , students were advised to go to school only twice a week .
Sometimes students did not even go to school for a whole week due to the haze , causing wide concern among parents and government officials .
In Riau and Palembang , students were advised to go to school only twice a week .