A man apparently in his in 20s was attacked by two men wearing dark clothes and balaclavas off Muncaster Road.
The alleged assault took place around lunchtime on Wednesday, which left the victim with injuries to his head and arm.
Police are now appealing for witnesses to come forward with more information after the attackers fled the scene towards Lovat Road.
PC Benjamin Gomer of Preston Police, said: “We believe the man was hit several times. It has been a nasty attack causing injury, which could have been much more serious.
“We are treating it as an isolated incident but are committed to tracing those responsible. I’d appeal to anyone with information, or who saw anything suspicious in the area, to speak to police immediately.”
If you have any information please contact Lancashire Police on 101 and quote log number 647 of 16th May.