A force spokesman said the device was fired in the St Ann's area of Rotherham over concerns for a man.
Armed officers were deployed to the scene but there were no firearms used.
The police spokesman said: "Police responded earlier to an incident in the St Ann's area of Rotherham, following concerns raised for a male at that location."One person has been safely detained.
"We can confirm that there has been no firearms discharge, although taser was deployed by officers.
"Enquiries into the incident continue.