This follows an incident which occurred in Clonbullogue.
A Garda Superintendent is appealing to parents across Offaly to speak to their teenagers about public disorder on Halloween night.
A number of fireworks were targeted at homes in the village of Clonbullogue on Saturday evening, and at Gardai attending the scene of two bales being set on fire on the main road.
One officer was hospitalised after being hit in the face with a firework.
Garda Superintendent Tony Tighe from Tullamore Garda Station says investigations are underway, and efforts are ongoing to bring more policing resources to the county by the second quarter of next year.
He says it's important for people to come forward:
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