A road is sealed off and under police guard this morning, with reports of emergency services dealing with a major incident.
Chadwick Road in Woodthorpe is sealed off and there are reports of a numerous police cars and paramedics at the scene.
Details have not yet been released by South Yorkshire Police, but Yorkshire Ambulance Service confirmed that paramedics had attended the incident and referred The Star to the police.
Local residents claim there are around 20 police vehicles at the scene and that the police helicopter is hovering above the street.
More to follow.