A man in his 60s remains in custody this morning in connection with an investigation into a member of GSOC.
He was arrested yesterday morning and a house in the Dublin 3 area was searched.
The man was arrested on suspicion of disclosing information, and his work phone was seized.
It emerged over the weekend that the officer had resigned in the wake of allegations that he was at a party attended by Gerry 'The Monk' Hutch on the night he was acquitted of murder.
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The Department of Foreign Affairs says it's providing consular assistance to the family of a Mayo man killed in eastern Ukraine.
Finbar Cafferkey, who was in his 40s and a native of Achill, was a military volunteer and had recently travelled to Ukraine to assist local forces.
He had previous combat experience in Syria where he joined Kurdish militia in their battle against Islamic State.
Finbar’s death was confirmed by his family yesterday.
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A ceasefire agreement in Sudan - due to end at midnight - has now been extended for another three days.
Over 100 Irish citizens have already been evacuated on flights, but around 100 more remain in the war-torn country.
There's pressure on Sudan's borders, with tens of thousands trying to get out.
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The HSE is launching its Spring COVID-19 booster campaign today.
People aged over 70, residents in care homes and those with a weak immune system will be eligible.
It'll be available from participating GPs, pharmacists or at local vaccination centres.