A second person has been arrested in connection with a stabbing in Tallaght that left a 20-year-old man dead. 

The woman in her 30s is currently being held at a Dublin Garda station where she can be questioned for up to 24 hours. 

The 35-year-old man who was arrested yesterday remains in custody. 

The 20-year-old victim was fatally injured in the Drumcairn Estate area of Tallaght around 4am yesterday. 

He was later pronounced dead at Tallaght University Hospital. 

A postmortem examination has been completed, the results of which are not being released for operational reasons. 

Gardaí are continuing to investigate the incident and have appealed for witnesses to come forward. 

They are particularly interested in speaking to people who were in the Drumcairn Estate area between 3am and 4am yesterday. 

Anyone with dash-cam footage who was driving in the area at the time has also been asked to make the footage available to Gardaí.