Heavy police presence outside White House after deadly shooting at security checkpoint

Secret Service officers and police sealed off streets around the White House after a person opened fire at a security checkpoint before being shot dead by officers, according to US authorities.

Secret Service officers and police sealed off streets around the White House after a person opened fire at a security checkpoint before being shot dead by officers, according to US authorities.

Secret Service officers and police sealed off streets around the White House after a person opened fire at a security checkpoint before being shot dead by officers, according to US authorities.