As many as nineteen people have been arrested in connection with the killing of a policeman in Uttar Pradesh's Ghazipur district, a senior police official said on Sunday. Suresh Pratap Singh Vats (48) was killed on Saturday when protesters hurled stones at vehicles returning from the venue of a public meeting addressed by Prime Minister Narendra Modi. He was hit on the head by a stone when he went to end a traffic jam caused by the protests. Watch the video to know more details regarding the same.