A man who went to detain another man suspected of causing a disturbance in Hanley has died.
Police say officers were called to Tontine Street at 10.10pm last night (Saturday).
When they arrived, a man who had been detained by several other men on the scene, was arrested.
One of the men who detained the arrested man became ill shortly afterwards. He went to hospital but sadly died.
A 28-year-old man from Hanley has been arrested on suspicion of assault causing actual bodily harm.
He remains in custody while investigations continue.
Anyone with any information should message Staffordshire Police on Facebook or Twitter quoting incident number 817 of 8 February, call 101 or alternatively contact Crimestoppers anonymously on 0800 555 111.