The Northern Railways informed that 14 trains are affected so far in the northern zone due to the dense fog prevailing over the national capital on Tuesday.
A layer of dense fog was witnessed over the Delhi-NCR region on Tuesday morning, as the temperature dropped to almost 7 degrees in the national capital, according to the India Meteorological Department.
As vast swathes of North India continued to reel under the effects of the falling mercury, a thick layer of fog enveloped the national capital on Saturday, affecting visibility.