Five people remain under arrest without charge today in connection with the killing of a Tallaght grandmother earlier this month.
The five - four men in their twenties and woman (31) - were taken in for questioning yesterday morning as part of the investigation into the fatal shooting of Mrs Joan Casey (64).
Ms Casey was shot after she confronted two masked men who had broke into her home in Avonbeg Park on April 3rd.
Those arrested can be held for up to 72 hours without charge.