Cassidy was last seen in Bridgegate at 7pm on Sunday, according to multiple reports. She is described as white, 5ft 4ins tall, with very long ginger hair in a ponytail, and was wearing a grey hoodie, black leggings, and carrying a small handbag at the time, though it is believed she may have changed clothes. The arrested individuals remain in police custody, South Yorkshire Police said.
Officers have carried out CCTV trawls, house-to-house visits, searches of the local area, and examined phone records to locate Cassidy, according to the police. Cassidy is known to frequent the Thurcroft area and Clifton Park, multiple reports indicate. The police have urged anyone with information to come forward, stating they are increasingly concerned for Cassidy's welfare.
Her current location, the relationship between her and the arrested individuals, and whether she left voluntarily or was taken against her will remain unknown, as does her condition or safety.