Police are trying to discover what caused the deaths of two men whose bodies were discovered in a house in Co Fermanagh on Monday night.
The men were found dead in a house in St Patrick's Terrace in Lisnaskea.
They are understood to be a man in his 70s and his son in his 40s. It is believed the bodies were found by a relative.
Police are waiting on the results of a post mortem to try to determine how the men died.
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Forensic experts were carrying out examinations at the scene today.
“A post-mortem examination and formal identification will take place in due course,” said a PSNI spokesman.