Two women have been arrested on suspicion of attempted murder after a man was found lying on the pavement in The Mounts area of Northampton.
Police were called to Lawrence Court at about 9.20am this morning.
The man, aged 28, was taken by air ambulance to Walsgrave Hospital in Coventry.
A spokesman for Northamptonshire Police said: “The nature of his injuries are unclear at this stage.”
Anyone with information can call police on 101 or Crimestoppers anonymously on 0800 555 111.