CAIRO, Oct. 22 (UPI) -- Four police officers were held in the deaths of 37 backers of ousted Egyptian President Mohamed Morsi who were killed during a prison transfer, officials said.
Prosecutors said the four officers have been detained for four days pending the investigation into the deaths of the Morsi supporters who the Interior Ministry said died of asphyxiation because of teargas and overcrowding while being taken to Abu Zabaal prison in Cairo, Ahram Online reported Tuesday.