Former President Donald Trump was rushed offstage after shots were fired at his rally in Butler, Pennsylvania, Saturday evening. Trump said in a social media post that he was injured when a bullet pierced the upper part of his right ear.The Secret Service says Trump is now safe, and he was checked at a local hospital before leaving a few hours later. Trump's son, Donald Trump Jr., told CBS News' Robert Costa that his father is "doing fine."The U.S. Secret Service confirmed two people are dead — the gunman and an audience member — and two spectators were critically injured. State police said the shooting victims were all men; their names were not released."U.S. Secret Service personnel neutralized the shooter, who is now deceased," the agency said. Reporters heard numerous shots and Secret Service rushed the stage. Video captured by CBS News shows Trump touching his ear and then crouching to the ground. Some blood could be seen on his face.