Severe Pollution Hits Chennai After Bogi Festival

Severe air pollution and smog have hit Tamil Nadu's capital Chennai, where people on Monday observed the Bogi tradition in which old or discarded materials are burnt. The lanes were dotted with bonfires, and a thick blanket of smog engulfed the city. Plastic materials and polythene bags were being burnt in residential areas. Many, including cricketer Ravi Shankar Ashwin, have complained of having breathing problem.