- Minerals processing company Tri-Star announced that Mark Wellesley-Wood, who took on the executive chairman role in July 2017, will revert to the role of non-executive chairman with immediate effect.

Acting CEO Karen O'Mahony commented: "We would like to thank Mark for his support, experience and guidance as executive chairman and look forward to receiving his continued support as he returns to the non-executive chairman role which he held previously between May 2015 and July 2017."

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