Police are searching for a man responsible for firebombing a Fyshwick brothel this morning.

According to ACT Policing, a man was seen throwing a flaming bottle at the front door of the Gold Curves brothel on Wollongong Street about 1.10am.

He ran in the direction of Newcastle Street.

Police described the building as sustaining minor damage. Items were taken for forensic investigation.

The offender was described by witnesses as wearing a grey hooded tracksuit with the hood over his head and a cap.

Police urge anyone who may have witnessed the incident or who may be able to assist with the investigation to contact Crime Stoppers on 1800 333 000, or via www.act.crimestoppers.com.au. Information can be provided anonymously.