Ferrexpo said on Friday Deloitte had resigned as its auditor with immediate effect, days after the iron-ore miner said some funds of a charity it donates to in the Ukraine could have been "misappropriated". Blooming Land, the charity which coordinates Ferrexpo’s Corporate Social Responsibility (CSR) programme, came under scrutiny after auditors found holes in the charity’s statements that showed how it uses the funds its receives.