Police confirmed on Sunday that 12 people were arrested during a series of coordinated overnight operations nationwide.

The arrests were made for a range of offences including attempted arson, assault causing serious bodily harm, drink driving and illegal residence.

Officers stopped 947 vehicles and inspected 1,225 drivers and passengers during the night.

Traffic enforcement featured heavily, with 517 reports issued for various violations. Of these, 232 related to speeding.

A total of 320 alcohol tests were conducted, with 35 drivers returning positive results.

Two individuals also tested positive in preliminary drug checks.

As part of the operation, 24 vehicles were seized.

Police also carried out 48 inspections of premises, issuing nine complaints for breaches related to operating licences.