The state FRSC Sector Commander, Kumar Tsukwam, confirmed this to newsmen in Minna on Saturday.
He said personnel of the corps were still at the scene to collect accurate details of the accident as at press time.
He assured that the FRSC would conduct a thorough investigation into the cause of the accident and provide updates as soon as possible.
Meanwhile, eyewitnesses reported that the accident occurred when a bus traveling from Minna to Katcha Local Government Area of Niger collided head-on with a trailer at Jippo Village, near Mashina Community.
According to the witnesses, three of the deceased women were from the same family.
Three other passengers, including two women and the driver, sustained varying degrees of injuries and were currently receiving treatment at Lapai General Hospital.
Speaking from his hospital bed, the driver of the passenger bus, Mohammed Baba, explained that the accident happened when the trailer driver attempted to overtake another vehicle, resulting in the head-on collision.(NAN)