Intense cold conditions prevailed in most parts of north India. The 12 fresh casualties were reported from Uttar Pradesh which alone accounts for 337 cold related deaths. <br/><br/>In Delhi, dense fog and icy winds maintained their grip over the city on Friday, giving people no respite from the cold conditions. <br/><br/>About 14 flights were delayed at the airport due to fog. The Met department said that the minimum temperature dipped to 7.7 degree Celsius from Thursday's minimum of 8 degrees. The maximum temperature was recorded at 17.1 degrees Thursday. <br/><br/>The Met department attributed the cold wave spell to icy winds blowing from the snowcapped mountains in Himachal Pradesh and Jammu and Kashmir. <br/><br/>Cold conditions worsened in Jammu and Kashmir as mercury dipped by a few notches because of clear skies. <br/><br/>Mercury rose marginally in Shimla though higher reaches of Himachal Pradesh reeled under sub-zero temperatures. <br/><br/>The cold wave continue to sweep across Punjab and Haryana. Narnol was the coldest place with the minimum of 2 degree Celsius. <br/><br/>Cold wave is still continuing in northern and western parts of Rajasthan. AIR correspondent reports that Mount Abu was the coldest place at minus 2.4 degree Celsius in the state.<br/><br/>