by Caroline Hawley, BBC News, South Africa - There has been a spate of xenophobic attacks over the past few years. In 2005 and 2006, Somalis living in the Eastern and Western Cape were targeted. But the latest wave of anti-foreigner attacks has caused growing concern in the "rainbow nation" which still bears the scars of apartheid, and where some of the country's poor are worse off than they were before the transition to majority rule.