Chandigarh, Jan. 20 -- Punjab and Haryana were in the grip of cold wave conditions on Sunday, with the minimum temperature hovering below normal at most places.

Dense fog also engulfed the region on Sunday.

Road and railway traffic was affected due to low visibility, which reduced to less than 50 metres at several places. Traffic on highways was plying slow, the police said.

The Amritsar-Ambala-Delhi stretch of the National Highway-1 (NH-1) was the worst affected due to dense fog at several places.

A Met official said, fog reduced visibility in the morning hours at Ambala, Hisar, Karnal, Narnaul, Bhiwani, Amritsar, Ludhiana and Patiala

The minimum temperature in Chandigarh was recorded at 6.6 degrees Celsius, three degrees below the av...