Sinn Féin's Justice spokesperson says the "horrendous attack" on Garda Padraig Scott has "horrified everyone".
Martin Kenny has also called for greater resources for the gardaí in the aftermath of the attack on the Tulsk native.
The 29-year-old had a gun pointed at him and was attacked and doused in petrol in an incident near Loughan House prison in Co Cavan at around 2am on Monday morning.
Gardaí are still trying to establish a motive.
Martin Kenny told this morning's Joe Finnegan Show that it's important that the perpetrators are brought to justice: