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

A man walks in a flooded street following a heavy rainfall in the town of Mandra, Greece, on Nov. 15, 2017. 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/Marios Lolos)