No one was injured during the incidents which are understood to have caused up to 100-thousand euro in damage to stock.
Efforts to identify the person who started fires at five stores in Cork City are continuing.
Emergency services responded to reports of several small fires at a pharmacy and clothing stores in the city centre at around five o'clock yesterday evening.
No one was injured during the incidents which are understood to have caused up to 100-thousand euro in damage to stock.

Housing Dept. Unable To Publish Latest Homeless Figures Due To Industrial Action
Motorway Toll Price Hikes Announced For January
Gardaí To Engage In Work-To-Rule During EU Meetings Next Month
Kfm's Local Hero 'Sitting Room' Shines At Irish Music Month National Finale
Tánaiste Won't Be "Pointing Fingers" After Anonymous Comments About Culture Minister
Funeral Of Renowned Musician Dónal Lunny To Take Place In Newbridge This Saturday
"Strong Possibility" Of Attack At Upcoming EU Meetings In Dublin, Says Gardaí
Two Sinn Féin TDs To Be Questioned Over Garvaghy Road Protest