New Delhi/ Shimla, Jan 10 (ANI): Severe cold wave conditions continued to sweep northern India on Friday paralysing normal life. In New Delhi, people were seen sitting around bonfires and drinking tea to brave the cold weather. The northern Himachal Pradesh is also in the grip of cold wave as snowfall in the upper regions forced people to stay indoors. In higher altitudes, the temperature has even dropped to the sub-zero level, with some states witnessing lowest minimum temperatures. People are finding it difficult to cope up with inclement weather conditions.