Trump campaign releases letter on his injury, treatment after last week's assassination attemptbr br Donald Trump's campaign released an update on the former president's health Saturday, one week after he survived an attempted assassination at a rally in Butler, Pennsylvania.br br The memo, from Texas Rep. Ronny Jackson, a staunch supporter who served as Trump's White House physician, offers new details on the nature of the Republican nominee's injuries and the treatment he received in the immediate aftermath of the attack.br br It is the most thorough accounting to date of the former president’s condition since the night of the shooting, which also left one rally-goer dead and injured two others.