A man's due to appear in court this morning as part of an investigation into a robbery and fatal hit and run in Killiney last week.
54-year-old Jacqueline McGovern died after she was struck by a getaway car that mounted a footpath following a robbery in Dalkey.
Two men have already been charged with robbery of the shop - but not in connection with her death.
The third man, who is aged in his 20s, is due before Dun Laoghaire District Court this morning.
