Sefton Resources said co-founder Jim Ellerton had agreed to "unconditionally" step down from the board and as Chief Executive Officer. His departure come just over a week after the oil and gas exploration and production company said he would temporarily step down while it conducted an investigation into allegations made in two internet publications against Ellerton. Ellerton has been asked to continue to provide operational and geological consultancy advice to the company's operating business in California and Kansas in the US. Sefton said: "The board is actively planning the transition of Mr Ellerton's role."Shares in Sefton rose 6.7% to 0.4p at 09:30 on Friday.TB