A gunman who opened fire near the White House Saturday night died after Secret Service officers shot him. The big picture: The incident, which happened while President Trump was at the White House, comes four weeks after another gunman allegedly attempted to assassinate him at the White House Correspondents' Dinner. Trump was supposed to be at his son Don Jr.'s wedding in the Bahamas on Saturday, but said Friday he would stay at the White House amid talks to end the Iran war. The latest: The Secret Service, in a statement provided by the White House Saturday night, confirmed that a man approached a checkpoint, took a gun from a bag and began shooting. Officers quickly returned fire. The shooter later died at a hospital. The Secret Service also confirmed a bystander was shot, but said it wasn't clear by whom. Zoom in: The gunman was identified as Nasire Best, 21, by multiple media reports citing law enforcement officials.…