Police were called to a Church Gresley home last night after a person suddenly died.
The person is yet to be formally identified by family and full details are not yet known, said a police spokesman.
A spokesman from Derbyshire Police has confirmed that they were called to an address in Church Gresley at around 9.40pm last night, Tuesday, July 10.
He said: "It was a sudden death in Church Gresley. Full details are not yet known and there has not been a formal identfication."
An eye witness said that there was a police presence overnight and an ambulance was seen outside the home on the evening of Tuesday, July 10, with one road closed off with police tape across it.