ISIS ‘truck attack threat’ on McGregor vs Mayweather fight sparks major police operation Prison Planet.com Posted on August 25, 2017 Posted in Aggregated No Comments Tagged with U.S. News Daily Star | ANTI-TERROR cops are on high alert for the Conor McGregor-Floyd Mayweather fight over fears of an ISIS massacre. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email