The incidents happened in Knocknaheeny, Blackpool and Blarney.
Emergency services attended a house at a house in the Dunmore area of knocknaheeny at around 10:30. No one was injured in the incident and investigations are ongoing.
Ten minutes later emergency services were called to a house in the St John's Square area of Blackpool after a petrol bomb was thrown through a downstairs window. No one was present in the house at the time and investigations are ongoing.
Gardaí are also investigating a car fire in the Blarney area at 10:45pm. There were no injuries and the car has been removed for a technical examination.
