Authorities say there is no sign of ` ` foul play or accident '' Gabe Flores said he was next in line at the amusement park . Witness says he did n't feel safe before the ride . At its highest point , the roller coaster is 153 feet . Iron Man is touted by the park as the world 's tallest steel - hybrid coaster .
Authorities say there is no sign of ` ` foul play or accident '' Witness says he did n't feel safe before the ride . At its highest point , the roller coaster is 153 feet . Iron Man is touted by the park as the world 's tallest steel - hybrid coaster .