A police spokeswoman said they received a report shortly after 7pm of a man with a knife in Wilkinson St and a victim with a broken leg.
Police were searching the area for the alleged offender, she said.
There was a heavy police presence at the scene about 7.30pm and officers had called for an ambulance and a dog team.
A car was parked in the middle of the street as an agitated person in the passenger seat remonstrated with police.