Gorakhpur/Jammu, Dec 31 : Cold wave gripped north India as dipping temperatures and dense fog made life difficult for people.

In Gorakhpur, there was less movement on roads as people chose to remain indoors due to the biting cold.

Thick fog enveloped the city and people huddled around fires to warm themselves.

Covered in thick woolens, the residents braved the winter chill as they went about their work amid a cover of fog. Number of students in schools and colleges declined as youngsters preferred to stay indoors.

"Today, it is very cold and the fog is also there. The number of students has also lessened as the students are not coming because of the cold," said Poonam Gupta, a resident.

Meanwhile, a thick fog engulfed Jammu hitting train and flight service in the region.

Many flights were cancelled following poor visibility due to the fog. The flights scheduled for Srinagar and Jammu, were cancelled while one of the Delhi-bound flight landed 45 minutes late from its arrival time.

Likewise, the train service was also affected, forcing passengers to spend long painful hours at the railway station in the biting cold.

"We are facing lot of problems. There is dense fog due to which the trains are running late. It is also very cold here. We are reaching late for our destinations due to the delay in trains'' running time," said Pradeep Kapoor, a passenger.

Many trains were arriving four to six hours behind their scheduled timings and the railway authorities in Jammu said, they were, on their part, ensuring that the corresponding trains left on time from the city.

"For past two three days, there has been dense fog and the trains are arriving late by four to six hours. But we are trying to ensure that their corresponding trains leave on time," said Ashok Kumar Sharma Divisional Traffic Manager, Jammu (DTM).

Meanwhile, the meteorological authorities in Jammu and Kashmir warned the residents to take precautions hinting at the weather conditions worsening in future. (ANI)