Russia-Ukraine crisis: Your questions answered

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As speculation continues on whether Russia will invade Ukraine, we answer questions about the crisis from listeners around the world. Also, dozens of people have been killed and tens of thousands of people have been forced to flee their homes following the floods caused by tropical storm Ana in Southern Africa. Madagascar, Malawi and Mozambique are the worst affected countries. We'll speak to our correspondent to find out more and hear from people affected by the storm. And every day we're joined by one of our regular health experts to answer your questions about coronavirus. Today our guest is Dr Megan Murray - Professor of Global Health and Social Medicine at Harvard University. (Photo: Ukrainian service members hold drills in the Kherson region 26/01/2022. Credit: Reuters)