With fog conditions continuing in several parts of northern India, at least 20 Delhi-bound trains were delayed, officials said on Thursday.

According to Northern Railway officials, the Dibrugarh-Delhi Brahmaputra Mail was delayed by three hours, followed by the Gaya-New Delhi Mahabodhi Express running behind its schedule by two hours and 30 minutes.

Even the Puri-New Delhi Purushottam Express, the Azamgarh-Delhi Kaifiyat Express, the Howrah-New Delhi Poorva Express were delayed by two hours.

The Kanpur-New Delhi Shram Shakti Express, Bhubaneshwar-New Delhi Duranto Express and the Rewa-Anand Vihar Rewa Express were delayed by one hour and 30 minutes.

On Wednesday, seven Delhi-bound trains were delayed due to fog.