Tatas, Mittals in fray for HighveldPrince Mathews Thomas / Mumbai March 17, 2006Top firms eyeing 79% stake in South African steel firm.Tata Steel has run into Mittal Steel in the race to buy 79 per cent stake in Highveld Steel of South Africa. Highveld Steel is owned by the Anglo American group.In an e-mail reply to Business Standard, a spokesperson for Laxmi Niwas Mittal-controlled Mittal Steel said,