Law enforcement authorities respond to reports of shots fired near the White House, with multiple outlets describing a heavy police and security presence around the residence. According to reports, the White House goes into lockdown as officers move to secure the area. The FBI and the US Secret Service are reported to be among the agencies responding. One outlet reports that US Secret Service officers shoot a person near the White House, and that a bystander is also shot, citing a law enforcement official. Other coverage focuses on the initial reports of gunshots being heard and the subsequent deployment of security forces to the grounds. Across the reports, authorities are described as assessing the situation in real time, with roads and access around the White House affected by the security response. Details about suspects, motives, and the extent of injuries are not consistently provided in the excerpts.