[WFP] Lusaka/Johannesburg/Rome -- Millions of people are facing food insecurity due to El Niño-fueled drought and floods in Southern Africa, WFP Executive Director Cindy McCain warned during a visit to Zambia, at the epicenter of the crisis. Severe drought has wiped out harvests in a region where 70 percent of the population relies on agriculture to survive. "What I've seen in Zambia is not just alarming, it is heartbreaking," said Director McCain, after speaking with farming families in rural Zambia. "I met farmers who usually