Body parts have been
Gardai sealed off an area of Moatview in Coolock, north Dublin after the grim discovery, believed to be
It is understood two arms and a leg were found, but the torso is yet to be located.
The whereabouts of the head are also unknown.
The investigation is still at a very early stage.
A source told Dublin Live the find was "very sinister".
A garda spokesperson said: "Gardaí in Coolock have commenced an investigation following the discovery of human body parts in Dublin.
"The alarm was raised shortly before 10pm when what are understood to be human limbs were found in a bag outside houses at the junction of Moatview Gardens and Drive.
"The Dublin City Coroner has been notified and the services of the State Pathologist have been requested. Local scenes of crime officers are currently examining the scene which has been sealed off.
"Investigations are ongoing."