The Army Bomb Disposal Team has been called out on four separate occasions in Dublin today.
The fourth call-out was to examine a suspicious device in Sallynoggin in Dublin this afternoon.
A number of homes were evacuated in the Pearse estate/Sallynoggin Road area following the discovery of the device in a laneway.
A controlled explosion was carried out and the device was declared a hoax.
Earlier, the bomb disposal team made a viable device safe at Cushlawn Park in Tallaght shortly after 2.30am.
The area was evacuated for a while and the device was taken away by gardaí for further examination.
The scene was declared safe at 3.20am.
The team also dealt with the discovery of bomb components in Raheen in Tallaght.
Elsewhere, the bomb squad dealt with a false alarm at the Israeli Embassy in Ballsbridge.