31 year old victim taken to hospital after attack on Thursday night.
Police are investigating the stabbings of two men in separate attacks in Northampton in the space of five hours.
One of the men, who is 43, was said to be seriously ill at Northampton General Hospital after being stabbed in the neck on the evening of Wednesday 29 August 2012.
He had left his home in Palmerston Road to buy some food and was attacked by two men. Northamptonshire Police think the attack took place near Abington Square, St Edmund's Road, Cyril Street and Victoria Road.
The 43 year old victim ran into the Crown and Anchor pub in Victoria Road just before 11pm, bleeding from a neck wound.
In the other attack, a 22 year old man who had been out to buy chocolate from a shop on the Weedon Road when he believes he was confronted and attacked by two men.
This attack happened between 6pm and 6.30pm on Wednesday 29 August.
The victim received a stab wound to the back near Weedon Road, Spencer Bridge Road and Sandhill Road, but he can't be sure of the exact location.
The man was taken to Northampton General Hospital where he was said to be in a stable condition.
Both robberies happened within 20 minutes of each other on Wednesday night.
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