Uttar Pradesh Chief Minister Yogi Adityanath has ordered all schools up to Class 12 to close until January 1 due to a severe cold wave and dense fog. The directive applies to all educational boards, including UP Board, CBSE, and ICSE. Officials are instructed to ensure adequate arrangements for blankets, bonfires, and fully functional night shelters, with a focus on protecting vulnerable populations and preventing anyone from sleeping outdoors. District officials are tasked with monitoring ground conditions and ensuring timely relief.