Somalia has appealed for international help to feed about 6.9 million people facing severe food and water shortages.In a statement, the Somali Prime Minister Mohamed Hussein Roble said the dire situation had already forced half a million Somalis to flee their homes in search of food and water. Many could die unless they got urgent assistance, he warned.“The drought situation in Somalia needs quick action and urgent humanitarian aid,” he added, saying the country is experiencing its worst drought since 2011.His appeal came hours after state TV reported that “three people had died from extreme h…