NEW IBERIA, La. (KLFY) -- Several tenants of Iberia South Apartments have started a petition relating to complaints of black mold and mildew at the apartment complex that they say have remain unfixed. Tenants are also going on strike by withholding their rent until they see change. Elizabeth Landry, who has been a tenant there for five years, said she had been sick a lot but didn’t know why it kept happening. “Sinus infection, respiratory infec…