Attendees of a John McCainJohn Sidney McCainThe Hill's Morning Report — Recession fears climb and markets dive — now what? Trump makes rare trip to Clinton state, hoping to win back New Hampshire Graham promises ObamaCare repeal if Trump, Republicans win in 2020 MORE rally in Cedar Falls, Iowa were ejected before McCain took the stage out of fear they were protestors, an Iowa newspaper reported.

According to Iowa State University's student paper, a handful of individuals were identified as people whom the McCain campaign feared might disrupt the Republican presidential nominee's speech.

"Apparently, they had been identified by those staffers as potential protesters within the event,