The tension between the African National Congress (ANC) and the Inkatha Freedom Party (IFP) has raised concerns about the spectre of violence in the build-up to the elections in May.For the first time in 30 years, the ANC faces a serious challenge to its position as the ruling party, with just the Western Cape being run by another party.The IFP was in charge of KwaZulu-Natal from 1994 until 2004 when the ANC won the province. Since then it has had several premiers, including S’bu Ndebele, Zweli Mkhize, Senzo Mchunu, Willies Mchunu, Sihle Zikalala, and of late, Nomusa Dube-Ncube.But after…