Transcript for ISIS Leader Releases a Warning
We turn overseas now, and a new message from one of the most wanted men in the world. The leader of Isis issuing a chilling and defiant message to the west, warning that attacks on Israel are imminent. Jim Avila reporting in tonight. Reporter: After seven months of silence, and for only the second time, Abu Bakr Al baghdadi appears desperate to rally his beleaguered fighters who have lost ground and leadership. Just today, Iraqi forces backed by U.S. Coalition air strikes have taken the strategic city of ramadi. 2015 has not been a good year for Isis. Losing its second in command to American bombs, its territory in both Syria and Iraq shrinking. Isis is under a lot of pressure. And he felt the need of sending a message to his followers. We're still here, we're still strong, we're undefeated. Reporter: In this message, baghdadi issues a call to arms among the world's 1.5 billion muslims. Quote, "Waging this battle is a duty upon every Muslim and no one is excused." He also threatens Israel directly, promising to liberate palestine. The president here in Hawaii did not interrupt his vacation to comment on the Isis message or its validity. Cecilia? Jim Avila, traveling with the president in Hawaii, thank you.
This transcript has been automatically generated and may not be 100% accurate.