A woman who was arrested following the death of a man in Dublin has been released.
Officers said a file would be prepared for the Director of Public Prosecutions.
Gardai said all circumstances are being investigated after the man was found unresponsive at a residence in Cookstown shortly after 1.10pm on Friday.
He was pronounced dead at the scene and his body was taken to Dublin City Mortuary.
A spokesperson said: “A post-mortem examination of the deceased man has been completed.
“The preliminary results are not being released for operational reasons.
“A woman aged in her 50s who was arrested in connection with this investigation has been released without charge.
“A file will now be prepared for the Director of Public Prosecutions.”
Gardai are appealing for witnesses to come forward and are seeking any available camera footage.
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