A South African official who blew the whistle on alleged corruption in the building of a stadium for the 2010 World Cup has been shot dead by unknown gunmen. Jimmy Mohlala, a member of the local organising committee for the World Cup, was murdered late on Sunday at his home in the northeastern city of Nelspruit."He was shot by two unknown men who were wearing balaclaves...the gunmen had been lying in wait outside the Mohlala home in an unmarked vehicle," a statement from the Mbombela Local...