Cold wave prevails in North India, 42 trains running late; Delhi records min temp of 1.9°C

A severe cold wave walloped Delhi on Sunday, with the minimum temperature at the Safdarjung Observatory, the city's primary weather station, plunging to a bone-chilling 1.9 degrees Celsius, the lowest in January in two years. A blinding layer of dense fog enveloped northwest India and the adjoining central and eastern parts of the country, affecting road, rail and air traffic movement.