One of the fires caused a “significant amount of damage” to a building.
A man in his 40s has been arrested by Gardaí investigating two suspected arson incidents in Limerick City on Friday, 14 May.
Gardaí first received a report of a car on fire at Browns Quay at around 1.30am on Friday.
Then, at around 5.30am, Gardaí received another report about a fire at a business close by.
In a statement, a Garda spokesperson said that a significant amount of damage was caused to the building as a result of the fire.
The man in his 40s was arrested in the Limerick area on Saturday morning and is currently detained under Section 4 of the Criminal Justice Act, 1984 at Mayorstone Park Garda Station.
Gardaí are continuing to appeal for anyone who was in the Browns Quay area between 1am and 6am on Friday, 14 May, particularly drivers with dashcam footage, to assist them in the investigation.
They can contact Mayorstone Park Garda Station on 061-456980, the Garda Confidential Line on 1800-666-111 or any Garda Station.
The investigation into the suspected arson incidents is ongoing.
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