Detectives investigating the murder of professional footballer Jordan Sinnott have made another arrest.
The 25-year-old, who was originally from Bradford, played for Huddersfield Town and Chesterfield, before moving to Matlock Town.
He died following an incident in Retford at the weekend.
Police said a 21 year old man had been arrested on suspicion of murder.
Two others, also aged 21, are still in custody while a 20 year old man has been released without charge.