A further four people have been arrested on suspicion of violent disorder and assault, in connection with the large scale disturbance following which a young father died.
Benji Bolsenbroek died after the disturbance at the Park Hotel pub in Middlesbrough.
Two women aged 19 and 22 have been bailed pending further enquiries.
A 24-year-old woman and a 26-year-old man are currently in police custody.
Two men who were arrested on Tuesday have been bailed pending further investigation.
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Veterans, cadets, dignitaries and serving Northumberland Fusiliers have paid tribute to those killed at the Battle of the Somme
Clear spells. Showers. Brisk winds. Sunday looks like the better day
Two men whose grandfathers fought in the Tyneside Irish battalion and died together on the Somme have returned to visit their graves.