Six thousand dollars worth of damage has been done to fire hydrant hoses around Domain Central.
Two men and a woman allegedly slashing 11 hoses on Sunday night in a bizarre crime.
Police are on the hunt for a man with a mullet who was wearing Titans football shorts, another man wearing board shorts and a woman in a floral top.
Sergeant Michelle Sawtell says its inconvenient for businesses.
"We're just hoping that some member of the public might be able to identify these people, using the distinctive characteristics that they have."
Anyone with info should contact Crime Stoppers on 1800 333 000.