1st UN-supervised medical flight leaves Yemen's capital Sanaa

A Yemeni boy sits by his father as they wait for the medical flight at the Sanaa International Airport in Sanaa, Yemen, on Feb. 3, 2020. The World Health Organization (WHO) announced on Monday that the first flight carrying Yemeni patients in critical need of treatment left the country's rebel-held capital Sanaa. (Photo by Mohammed Mohammed/Xinhua)