In tragic and horrifying news out of New York today, police are searching for a man who was caught on camera pushing a man to his death onto subway tracks.

The incident occurred around 12:30 on Monday; the victim, 58-year old Ki Suk Han, fell onto the tracks and was unable to pull himself up before the train hit him. Witnesses say he was alive after he was hit and was moving; the scene was so grisly that the conductor had to be treated for trauma afterward.

Unfortunately, a photographer–R. Umar Abbassi–captured a photo of the man moments before the train slammed into him, and the picture made the front page of today’s New York Post, which has incensed many.

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“Sickening rubber-necking front page from the New York Post,” Guardian sports editor Ian Prior posted on Twitter. “Imagine how this man’s family feels.”

Police say the victim was seen arguing with an unknown man moments before the man pushed him; they are still investigating the incident and are looking for the man based on surveillance footage. He is described as a black male in his 20s or 30s, around 5 feet 10 inches, weighing approximately 240 pounds. He was wearing a grey T-shirt, a down coat and a beanie-style knit cap. The man is also described as having short dreadlocks.