A 155mm artillery, positioned near the Israeli border with the Gaza Strip, fires a projectile towards targets in the Palestinian enclave, on July 17, 2014. Israel and the Islamist Hamas movement have agreed on a ceasefire that will begin at 0300 GMT on Friday, an Israeli official told AFP. AFP PHOTO /MENAHEM KAHANA        (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)