ISTANBUL, TURKEY - JUNE 07: Policemen keep guard as the ambulances arrive at the site after an explosion took place in Beyazit district of Istanbul, Turkey on June 07, 2016. (Photo by Yilmaz Yaman/Anadolu Agency/Getty Images)
ISTANBUL, TURKEY - JUNE 07: Policemen keep guard as the ambulances arrive at the site after an explosion took place in Beyazit district of Istanbul, Turkey on June 07, 2016. (Photo by Yilmaz Yaman/Anadolu Agency/Getty Images)