A train derailment occurred in Uttar Pradesh's Mathura on Sunday. 4 bogeys of a goods train went off the rails. No casualties reported so far. The incident reportedly occurred on the Delhi-Agra route. Cause of the mishap is yet to be ascertained. A railways official present at the spot said that the 'up, down and third line' were all closed due to the accident. He said that restoration work was going on at 'war footing' but it was difficult to give a time estimate since various teams are involved in such a task. He said that the cause of the accident would be known after experts carry out a probe. Watch the full video for more.