At least 41 trains were running late and five cancelled due to dense fog in parts of north India on Sunday morning, a railway official said.
According to the Northern Railway official, 14 trains were rescheduled.
The cancelled trains included Sarai Rohilla-Chennai Central GT Express, New Delhi-Chennai Tamil Nadu Express, New Delhi-Islampur Magadh Express and New Delhi-Jayanagar Swatantra Senani Express.
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