A 37-year-old man who was arrested in connection with the murder of two men at a Suffolk caravan park has been released without charge.
David Castell, 29, and Shane Hill, 20, were shot dead at Willow Park, Beck Row, near Mildenhall, on Tuesday March 15.
Provisional post mortem examinations results that both died from gunshot wounds.
Suffolk police have made a series of arrests over the killings over recent months and their inquiries are continuing.
A spokesman said a 37-year-old man from Cambridgeshire has now been released without charge.
Three other men remain on police bail in connection with the murders.
Two men from Mildenhall - aged 28 and 25 - have been re-bailed until October 25.
A 40-year-old man - also from Mildenhall - is due to return to police on September 21.
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