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.

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.

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.

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.