Jerry Petherick, managing director for G4S Custodial and Detention Services, said: "The mobilisation of any prison is a complex and challenging operation but the size and scale of Oakwood - the largest prison in the country - made this even more acute.
"As well as the logistical hurdles in new establishments, prisoners test the regime as well as the members of staff, who may be new to prison life.
"We have already taken steps to make improvements, appointing a dedicated task-force to address problem areas, such as the prevalence of drugs, while providing additional funding where necessary. This is starting to yield results."
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An investigation into the death of a Shropshire soldier has found the Ministry of Defence broke health and safety rules.
Darts star Phil Taylor from Stoke-on-Trent has been told to hand his estranged wife Yvonne a lump sum of £830,000 by a family court judge.
'I am immensely proud of the officers involved and want to thank them for their bravery in bringing this incident to a safe conclusion.'