Two men and two teenage boys have been arrested on suspicion of attempted murder following an incident in Worcester last night.
Emergency services were called to Park Street where it was reported that a 34-year-old man had been stabbed in the stomach at around 11pm.
The man was taken to the Queen Elizabeth Hospital, Birmingham with serious internal injuries though they are not considered to be life threatening.
Following a police search two men aged 20 and 21, and two 17-year-old boys were arrested and taken into custody where they remain at this time.
Officers would like to hear from anyone who witnessed the incident or has any information about it.
Inspector Fergus Green said: "This was a violent incident which has left a man with serious injuries and we are determined to find out what happened and bring those responsible to justice.
"If you saw anything or have any information we urge you to come forward.
"Any information you give would be treated in the strictest confidence."
If you can help with our enquiries please contact us on 101 or visit our website https://www.westmercia.police.uk/tua/tell-us-about quoting incident 698 of 25 May.