Lahore: Record-high pollution sickens thousands in world’s most polluted city - Record-high air pollution in Lahore is sending more people to hospitals, with city authorities warning of a possible lockdown if residents don’t follow smog-related guidance,

Pakistani officials say dangerously poor air quality has forced the provincial government in Lahore to close primary schools for a week.

Dangerously poor air quality on Monday forced Pakistani authorities in the cultural capital of Lahore to close primary schools for a week, government officials said, after the air-quality index hit a record high over the weekend.

A toxic cloud of smog has swept over Pakistan and India, causing one of Pakistan's major cities to put schools on lockdown. On Sunday, the capital of the Punjab region of Pakistan, Lahore, held the real-time top spot as the world's most polluted city,