A 38-year old man has been arrested after allegedly stabbing a 35-year-old man in Frankston about midnight.
Paramedics were called to a Petrie Street address about 12:05am after reports that a man had been stabbed.
They located the 35-year-old man with a laceration to his neck. He was taken to hospital in a serious but stable condition.
Police attended a nearby address and arrested a 38-year-old man.
Investigators believe the parties are known to each other.