A 47-year-old man is being questioned by police investigating the Bridlington murder of Graham White.
Mr White, 39, died after being found with life-threatening injuries in Sewerby Road early on Wednesday morning.
The 47-year-old was injured at the time. He was arrested and had been in hospital but is now in custody.
Three men aged 22, 27 and 37 who were arrested in Seaton near Hornsea on Wednesday have been released on bail.
Two men aged 41 and 27 and a 14-year-old boy who were arrested on Thursday have also been released on bail.
Officers are appealing for witnesses who were on the street late on Tuesday night and early on Wednesday morning.
A spokesman for Humberside Police said: "The 47 year old man who sustained injuries during the incident, and who has been receiving hospital treatment since arrest, is now in police custody as the investigation continues."
Anyone with information should call 101 and quote log number 63 of August 27, or contact Crimestoppers anonymously on 0800 555 111.
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