The defendants were being housed in separate buildings on the jail grounds and were all under suicide watch, a jail official said on condition of anonymity because he was not authorized to speak publicly on the matter.

NPR: Police: Delhi Gang Rape Suspect Kills Self In Jail

Singh, along with four other men on trial with him on rape, murder and abduction charges, had been under a suicide watch, another jail official said on condition of anonymity because he was not authorized to speak publicly on the matter.

NPR: Police: Delhi Gang Rape Suspect Kills Self In Jail