India, May 24 -- The suspect who approached a White House security checkpoint and opened fire at officers has died, federal officials said.

Sounds of gunfire were heard near the White House on Saturday, after a person approached a checkpoint shortly after 6 pm ET, "removed a weapon from his bag and began firing at posted officers", the US Secret Service said in a statement. Officers shot the suspect following an exchange of gunfire, during which a bystander was also wounded.

However, a law enforcement official said told the Associated Press that it wasn't clear whether the person was hit by the suspect's bullets or those fired in return by the officers.

The incident took place at the corner of 17th Street and Pennsylvania Avenue Northw...