A man is being kept in hospital overnight after he was assaulted in Ipswich in the early hours of Monday.
Officers were called just after midnight to reports a man had been assaulted at the Alexander House building on St Matthew's Street.
When they arrived at the scene, they found a man had sustained a head injury during an altercation.
The man was then taken to hospital for treatment and is now being kept in overnight to complete a 24-hour period of observation due to the head injury.
Police confirmed the man is stable and recovering.
Large amounts of blood on the pavement was reported by eyewitnesses, as police cordoned of the road during the morning rush hour.
A spokesman for Suffolk police said: “This is being treated as an isolated incident, with no wider threat to the community."
Enquiries are ongoing to identify those responsible for the incident and anyone with information is asked to contact South CID on 101, quoting reference number 19442/21.
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