In this picture released on Friday, May 22, 2015 by the website of ISIS militants, shows the ISIS flag, top center, raised on the to top of Palmyra castle, in the Syrian town of Palmyra, Syria. A Syrian official in charge of antiquities says ISIS fighters have broken into the museum of the ancient town of Palmyra which they have captured days earlier, but have not harmed its contents. (The website of ISIS militants via AP)