New Delhi, Jan. 16 -- A thick blanket of fog engulfed Delhi on Wednesday as the minimum temperature dropped to 4 degrees Celsius and visibility to less than 50 meters.

A number of trains and flights were delayed due to fog and poor visibility.

The Indian Railways revealed that as many as 11 trains were rescheduled after getting delayed by at least 2 hours.

Bhagalpur-Anand Vihar Garib Rath, Jaynagar- New Delhi S. Sainani Express, Manduadih-New Delhi Shiv Ganga Express were delayed by 2 hours each, while Chandigarh Prayag Unchahar Express, Puri-New Delhi Purushottam Express and Mau - Anand Vihar Terminal Express were delayed by 4 hours, 5 hours, and 3 hours, respectively.

In the wake of inclement weather conditions, SpiceJet directed pass...