 "18 trains cancelled, 43 delayed as dense fog disrupts services in Delhi")
A thick layer of fog engulfed the national capital and its neighbouring regions on Sunday morning, affecting the train services.
As many as 18 trains were cancelled, 43 were delayed and 7 others were rescheduled due to low visibility.
Several parts of North India, including Delhi and the adjoining National Capital Region, have been witnessing a dense fog and a fall in the temperatures.