New Delhi, Aug. 27 -- A video of a Pakistani man arguing with an Indian-origin passenger on a London train has gone viral. The clip shows the Indian man calmly speaking to the Pakistani passenger, dressed in a white shirt and black trousers. "You are Pakistani and I am Indian, is that a problem?" he asks. The man confirms his nationality, prompting the Indian passenger to continue, "Why is that a problem?" The Pakistani man replies, "Because we are enemies."

Surprised, the Indian man repeats, "We are enemies?" The Pakistani man nods. Staying composed, the Indian man responds, "I have no problem with you. This is going to go viral," to which the Pakistani man says, "Yeah, you make it viral."

The Pakistani man then left the train at the n...