Deadly poisonous fumes continued on Thursday for the third day in a northern region of India. As a result, authorities closed schools.
Doctors declared this incident a serious threat to public health. In addition, the government has been urged to take immediate steps to control the situation.
The Punjab government has said that they have closed all the 25,000 schools in the state. The contaminated air has covered parts of northern India and Pakistan.
Delhi authorities announced the closure of six thousand schools till Sunday A day after the announcement of the Punjab government came.