IS asks followers to launch attacks in America, Australia, Europe, and Russia
The holy month of Ramadan commenced in May.
The audio clip could not be independently verified.
The massage was given from ISIS spokesperson Abu al-Hassan al-Muhajir.
As per the the SITE intelligence group website which read: "Abu al-Hassan al-Muhajir, the spokesman for the Islamic State (IS), called on lone wolves in America, Australia, Europe, and Russia to emulate those who came before them and attack, and rallied fighters to persevere amidst the trials of war and multitude of enemies in a speech issued for Ramadan."