A person suffered minor stab injuries following an incident in a seaside town.
Officers were called to High Road West in Felixstowe at about 7.15pm on Saturday to reports on an assault.
A spokesman for Suffolk police said: "During the altercation one person suffered minor stab injuries."
Police arrested four teenage boys in connection with the incident who have all been bailed pending further investigation.
No one else is being sought in connection with the assault, the spokesman confirmed.
An eyewitness said a large number of police units were seen in the area as a result of the incident.
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