By Reena Bhardwaj Washington, DC [US], January 17 (ANI): More than 142 million people across the US are under a wind chill alert on Monday, as frigid Arctic air hangs over much of the country. The National Weather Service (NWS) said the heartland of the US will likely experience record-breaking cold, warning people to stay indoors and travel with caution. The Arctic blast was expected to continue sweeping across the United States, bringing record-low temperatures and sub-zero temperatures to large parts of the country. The National Weather Service predicted that wind chills would reach minus 3…