Minchinbury McDonald's customer stabbed and taken to hospital in stable condition

A McDonald's customer has been allegedly stabbed repeatedly inside the fast food restaurant.

The 36-year-old woman had been visiting the venue on the Great Western Highway at Minchinbury, in Sydney's west, at 12.30am on Sunday.

She was then allegedly stabbed suffering injuries to her hands, arms and head.

Emergency services were called to the scene and paramedics transported her to Westmead Hospital in a stable condition.

The alleged attacker fled the scene before police arrived at the scene. 

Officers set up a crime scene and have launched an investigation into the incident.

Anyone with information is urged to contact local police or contact Crime Stoppers on 1800 333 000.