Cold weather school closure regulations should be flexible stockbot 0 17 01.24 20:15 https://vietnamnews.vn/society/1639705/cold-weather-school-closure-reg… + 0 https://vietnamnews.vn/rss/society.rss + 2 Under Hà Nội Department of Education and Training’s regulations, preschools and elementary schools across the city notified parents not to send their children to school when the temperature dropped below 10 degrees Celsius.