Smog envelops in Delhi, traffic movement disrupted

New Delhi: Visibility was low in the city on Monday morning as a layer of smog hung over the national capital with the air quality settling in the severe category.

The city also recorded the season's first dense fog



lowering visibility to 150 metres and affecting road and rail traffic movement.

Around 20 trains have been delayed by 15 minute to 2 hours, an official said.