By Newsbreak Senior Producer Genevieve Lanka - Social justice activists are warning that a breakdown of household food security will directly impact on public stability. The caution comes amid growing calls for urgent inventions by government to shield already hard-pressed consumers from the burgeoning cost of living. First National Bank has estimated that it takes an average of five days for a middle-income consumer to spend up to eighty80%-percent of their monthly salary, surviving on the remaining twenty-percent for the rest of the month. Programme co-ordinator for the Pietermaritzburg Economic Justice and Dignity Group - Mervyn Abrahams - says a basic basket of food for a family now costs over 4-thousand-500 rand...