ACT senator Katy Gallagher's office has been vandalised, police report.
About 1.40pm on Monday, police received reports of property damage at the office on Corrina Street in Phillip.
Police said a man was arrested at the scene soon after the incident, and he is set to appear in court some time in July.
Senator Gallagher's office reports she was not in the office at the time, and no one was injured as a result of the incident.
Ms Gallagher said she was grateful for the prompt responses from everyone involved.
"I want to thank my team, the officers from ACT Policing who responded to this incident and the officials in the Department of Finance who helped to secure the office so quickly after the incident," she said.
"The office remains open and my team is continuing its work to support Canberra."
The man will be charged with damaging Commonwealth property.
Police have not released the identity of the man, or his motives, at this time.
Police are urging anyone who witnessed the incident or who may have more information to contact Crime Stoppers on 1800 333 000, or via the website.
The reference number is 7467389.
Senator Gallagher's office had been previously vandalised in March 2022.