Greek PM declares national mourning as flash floods death toll rises to 15

Photo taken on Nov. 15, 2017 shows mud waters and debris after the torrential rain in the town of Mandra, outskirts of Athens, Greece. Greek Prime Minister Alexis Tsipras declared Wednesday a day of national mourning as the death toll from the flash floods that hit western Attica region, at the outskirts of Athens, climbed to 15. (Xinhua/Lefteris Partsalis)