Police cordoned off a street in Lochgelly after the death of a man.
Officers descended on North Street in the Fife town on Thursday morning.
The street was sealed off from Ballingry Street to Dewar Street.
One eyewitness described seeing four police vehicles and an ambulance at the scene.
He said: “All attention is focused on a three-storey block of flats.
“Plain-clothes officers are going door to door opposite the flats.
“A tent has also been placed over the pathway outside.”
One North Street resident says she woke up at around 8am to see several police vehicles and officers on the street.
She told The Courier: “It’s just so shocking to see such a large amount of police right outside where you live.
Man pronounced dead after police called to Lochgelly street
“Officers have been going in and out of the flats and one plain-clothes officer was seen leaving carrying a brown evidence bag.
“We’ve not been told anything but it is obviously very serious.”
A Police Scotland spokesperson said: “Around 8am on Thursday, we were called to concern for a person on North Street, Lochgelly.
“Emergency services attended and a man was pronounced dead at the scene.
“Inquiries are ongoing to establish the full circumstances however the death is not being treated as suspicious.
“A report will be submitted to the procurator fiscal.”