The three men arrested on suspicion of slavery related offences in the St Brides area of Newport on the 24th of September have been released on police bail pending further enquiries.
Officers are continuing their search at a property at Peterstone where they believe a body maybe buried.
Three others are due before Cwmbran Magistrates later today.
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Plenty of fine dry weather to come today and prolonged spells of sunshine. A cool easterly breeze will take the edge off the temperatures.
The three-day event in the Welsh capital is expected to attract more than 20,000 visitors.
Steve Ashton's picture of a jacket potato and corned beef served to his 81-year-old mother has been shared 130,000 times on Facebook.