Greece, the host of the upcoming Summer Olympics, has stepped up security measures on all rail and subway networks and at the Spanish Embassy in Athens following terrorist attacks in Madrid.
Grčka, domaćin predstojećih Letnjih olimpijskih igara, pooštrila je, nakon terorističkih napada u Madridu, mere bezbednosti duž železničke i metro mreže i oko Ambasade Španije u Atini.