24 February 2011, 11:00 AM Close Facebook Twitter Google Plus LinkedIn Email It is with great regret that BHP Billiton announces that Carel Esterhuizen (Callie), an employee at the Wessels mine in South Africa, has passed away following an accident on site. Callie was 29 years old and had worked at Wessels, one of the Hotazel manganese mines, since 2008. He leaves behind his wife and daughter. Hotazel management have offered support to Callie’s family, friends and colleagues during this difficult time. Operations at Wessels have been suspended and a full investigation has been launched to identify the cause of this tragic accident.