By Newsbreak Producer Tashlan Naidoo - The growing tension and anti-illegal immigrant protests across South Africa, could strain trade relations with fellow African nations. This is according to non-profit organisation, the Pietermaritzburg Economic Justice and Dignity Group. This comes as anti-foreigner groups continue to call for foreign nationals to leave the country. So far, hundreds of legal and illegal Ghanians, Nigerians and Malawians have left, but thousands of others continue to seek refuge in fear of their lives. Programme Coordinator at the Pietermaritzburg Economic Justice and Dignity Group, Mervyn Abrahams says South Africa exports goods and services worth approximately R450 billion to R500 billion to African countries. He says this now puts South Africa at risk of African development integration and economic exclusion....