FILE - In this Friday, Jan. 24, 2020 file photo, a farmer's son raises his arms as he is surrounded by desert locusts while trying to chase them away from his crops, in Katitika village, Kitui county, Kenya. Locusts, COVID-19 and deadly flooding pose a "triple threat" to millions of people across East Africa, officials warned Thursday, May 21, 2020 while the World Bank announced a $500 million program for countries affected by the historic desert locust swarms. (AP Photo/Ben Curtis, File)