After all, ISIS explicitly called for terrorist attacks during the holy month of Ramadan, which commenced three weeks ago. (CNN) In the past two days, ISIS has conducted lethal suicide attacks in Jordan, Lebanon, Yemen and also, very likely, in Turkey. Still, ISIS has not claimed responsibility and it's not certain that it was behind the Istanbul attacks, which are the most lethal terrorist attacks ever at an airport. Abu Muhammad al-Adnani, the spokesman for ISIS, released an audiotape in late May in which he called for attacks, saying, "Ramadan, the month of conquest and jihad... make it a month of calamity everywhere for the non-believers." JUST WATCHED U.S. officials: Istanbul attack has hallmarks of ISIS Replay More Videos ... MUST WATCH U.S. officials: Istanbul attack has hallmarks of ISIS 02:31In the past month, we've seen a surge of terrorism in the Middle East and the West.

Source: CNN June 29, 2016 16:30 UTC