TUNIS: Hazem Ben-Gacem invests half a million euros in Tunisian fashion brand; LYOUM set to accelerate its international expansion plans Tunisian fashion brand LYOUM (LYOUM.fr/en/) is eyeing new product ranges and expansion in international markets after an investment of €500,000 from Hazem Ben-Gacem. The Tunisian philanthropist believes the Tunis-based business, founded by French and Tunisian couple Claire and Sofiane Ben Chaabane, can …