A man and a woman in their 40s were arrested during a search operation in Wicklow yesterday.
Gardaí are continuing to question a man and a woman after a Dublin shop was held up at knifepoint.
A sum of cash was taken during the robbery that happened shortly before 8 o'clock last Friday night in Dun Laoghaire.
Two people entered the shop, threatening staff with a knife.
A man and a woman in their 40s were arrested during a search operation in Wicklow yesterday and are being held at a Garda Station in Dublin.

Local Property Tax Deadline Extended To Wednesday
Lawless Rejects Claim He Let Apprenticeship Exam Leak Scandal "Fester"
Three Teenagers Arrested In Connection With Rioting At Citywest Hotel Last Month
Alleged Admissions Row Ignites Between Leixlip Schools Over Irish V English Language Pathways
BreastCheck To Fall Short Of Screening Target For Third Year Running
Kildare Woman Forced To Urinate In Car Park As TD Pushes Law For ‘No Wait’ Toilet Access
Dublin Jersey Among Tributes To Ryan Weir Gibbons - Death “Unnecessary And Tragic” Says Priest
Three Decades Later, Search For Answers In Jo Jo Dullard Case Continues