Businessman Kamil Ungut died as a result of a heart attack he had on the visitor reception day in Elbistan Prison, where he was detained.

Name of a death in prison was the death of the businessman Kamil Ungut on July 4, 2017. Ungut died of a heart attack on the day of a visit in Elbistan Prison.
Stating that the Turkish government declined to provide data on inmate deaths from natural causes, suicides and deaths from other causes, the report said that human rights organizations asserted that prisoners frequently lacked adequate access to potable water, proper heating, ventilation and lighting. For example, on July 5, 61-year-old Kamil Ungut died while in prison in Elbistan, Kahramanmaras province; press reports attributed his death to cramped conditions and high temperatures.

His death was also mentioned in a report, prepared by the USA, government as: “Human rights organizations asserted that prisoners frequently lacked adequate access to potable water, proper heating, ventilation, and lighting. For example, on July 5, 61-year-old Kamil Ungut died while in prison in Elbistan in Kahramanmaras Province; press reports attributed his death to cramped conditions and high temperatures.”

Source:

US Human Rights Report: Lack of access to health care remained a problem at Turkish prisons in 2017

https://www.state.gov/report/custom/acc660eb26/