![PHOTO: A campaign rally site for Republican presidential candidate former President Donald Trump is empty and littered with debris, on July 13, 2024, in Butler, Pa.](https://s.abcnews.com/images/Politics/empty-rally-ap-jt-240713_1720914028879_hpMain_16x9_992.jpg)
Federal authorities are investigating after former President Donald Trump was shot in the ear in an assassination attempt at an election rally in Butler, Pennsylvania, on July 13.
The alleged shooter was killed by snipers. One spectator was killed and two were hurt, officials said.