New Delhi [India], December 23 (ANI): 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. According to the India Meteorological Department, the minimum temperature at Palam was recorded at 14°C while Palam logged 12.2°C. As the chill tightened its grip on the national capital, many were seen huddling around bonfires to keep themselves warm. In the face of the biting cold, many were also seen taking refuge at a night shelter at AIIMS. Similar scenes were also in evidence…