The report outlines “stunning failures" by Secret Service that allowed the attempted assassination of then-candidate Trump.

A year after the assassination attempt against Donald Trump in Butler, Pennsylvania, multiple investigations have detailed the breakdowns that occurred that day.

July 13 (Reuters) - A U.S. Senate report released on Sunday said a "cascade" of failures allowed a gunman to shoot at Donald Trump during a campaign rally last year and faulted Secret Service discipline including the lack of firings in the wake of the attack.