A surviving miner has alleged that an unidentified substance was sprayed inside a detention cell shortly before several suspected illegal miners began collapsing while in the custody of the Nigeria Security and Civil Defence Corps (NSCDC) in Niger State.
The survivor made the allegation while recounting his experience in detention during a visit to the state by the Minister of Interior, Olubunmi Tunji-Ojo.
According to the miner, detainees were locked inside a cell before an unidentified substance was sprayed into the facility. 
He alleged that shortly after the substance was released, some of the detainees began experiencing difficulties before collapsing.
«“They sprayed something inside the cell after locking us in, and people began collapsing,” the survivor reportedly said.»
The allegation comes amid growing scrutiny over the circumstances surrounding the deaths of suspected illegal miners who were detained by security authorities in Niger State.
The survivor did not identify the substance allegedly sprayed inside the cell, nor did he state who allegedly authorised or carried out the action.
He also did not provide details on the number of detainees who were affected or establish whether the alleged spraying directly caused any of the reported deaths.
The NSCDC and other relevant authorities have yet to publicly respond to the specific allegation.
The account is likely to intensify calls for a thorough investigation into the treatment of the detainees and the circumstances surrounding the deaths.
Establishing what happened inside the cell would require further investigation, including determining the identity of the substance allegedly used, who introduced it into the facility and whether there was any link between the incident and the subsequent collapse or deaths of detainees.
