Rio Tinto suspends executive as it investigates Guinea payments

Mining group alerts US and UK authorities after uncovering $10.5m payout to consultantMining group Rio Tinto has suspended a senior executive and alerted US and UK authorities after uncovering $10.5m (£8.4m) of payments to a consultant who worked on its Simandou iron ore project in west Africa.The Anglo-Australian company said it had launched an investigation after discovering in late August emails from 2011 relating to “contractual payments totalling $10.5m made to a consultant prov