In Punjab, the cold wave has further intensified. Many districts of the state have been in the grip of dense fog since last night, disrupting normal life. <br />''<br />''A report:<br />''<br />''The entire state is currently wrapped in a blanket of white dense fog along with severe cold waves. This blanket of fog spread last night itself due to which road, rail, and air traffic is affected. The Met Department has issued a red alert regarding dense fog in 12 districts including Jalandhar. The department has advised people to take utmost care while driving their vehicles on the roads. <br />''<br />''<br />