A British wrestling fan who vanished during WWE’s WrestleMania weekend in Las Vegas was found dead in a motel off the famed strip. Marc Izard, 43, died from “natural causes related to his underlying medical conditions” on April 18 while he was in Nevada for the annual wrestling show, his sister Kelly Hall wrote on Facebook. “On Saturday, April 18th, our lives changed forever. Our beloved brother, Marc Izard, passed away in Las Vegas while doing what he loved most—attending WWE WrestleMania weekend,” his family wrote in a GoFundMe. Marc Izard poses for a photo with Hulk Hogan during a meet-and-greet in an undated photo. Gofundme The die-hard wrestling fanatic had attended a book signing for Canadian wrestler Natalya “Nattie” Neidhart at the Horseshoe Las Vegas on April 16, before attending “SmackDown” at the T-Mobile Arena the next night, his last known public sighting. His official cause and manner of death are still pending.…