Russia's war in Ukraine is hitting Africans particularly hard by exacerbating food insecurity and putting an unnecessary drag on the continent's economy, U.S. Treasury Secretary Janet Yellen said in Senegal's capital Dakar. #Yellen #africa #News #Reuters #newsfeed #russiaukrainewar Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: https://www.reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en