A man has been found stabbed to death at his home in Feock, near Truro, this morning.
Police were called to a house in Feock at around 7.30 am.
On arrival officers found the man suffering from stab wounds, in what the police believe to be a domestic incident.
He was declared dead at the scene by medical crews.
Neighbour, Chris Young, said: “When it comes so close to your doorstep it is very worrying.
“This is a very quiet area with very few passers-by.”
Devon and Cornwall police have said that they are not looking for anyone in relation to the death.
Detective inspector Ben Beckerleg said: "This is the beginning of an investigation, but early indications suggest this was a domestic incident and no-one else is being sought at this time.
“An investigation had now begun to fully understand the circumstances and events leading up to this man's death."
A 58 year-old woman suffering from minor injuries was also present at the scene.
She has been taken to hospital for treatment and arrested on suspicion of murder.
Anyone with information about this incident should call 101 and quote log 124 of 15 November.