White House Press Secretary Josh Earnest answers questions from reporters at Wednesday’s daily press briefing. (Jenny Leonard / Medill NSJI)

WASHINGTON — In the wake of a fatal shooting during a live television broadcast in Virginia, the White House called on Congress Wednesday to pass tougher laws combatting gun violence.

“While there is no piece of legislation that will end all violence,” Press Secretary Josh Earnest said, “there are some common sense things that only Congress can do that we know would have attainable impacts at reducing gun violence.”

Two members of WDBJ 7, in Roanoke, Virginia, were killed in the early-morning attack: reporter Alison Parker and cameraman Adam Ward. The interview subject, Vicki Gardner, was shot but not killed and taken to a nearby hospital for treatment.

The suspected shooter, Vester Lee Flanagan II, was a former employee at the station, who went by the on-air name of Bryce Williams. Flanagan died later at Inova Fairfax Hospital from a self-inflicted gunshot wound.

“This is another example of gun violence that is becoming all too common in communities large and small all across the United States,” White House spokesman Earnest said.

Closing the gun show loophole is the most frequently cited “common sense” action that Congress could take, Earnest said. The loophole allows some individuals to purchase firearms at gun shows without going through a background check.

This legislative action, he said, would not alter the United States Constitution in any way, nor would it infringe on the rights of law-abiding citizens who are exercising their Second Amendment rights.

“The laws about gun safety in a sparsely populated rural community, I think justifiably, can be different than in a dense urban community like the District of Columbia,” Earnest said.

The most recent legislation seeking tougher gun laws, sponsored by Sens. Joe Manchin, D-W.Va., and Pat Toomey, R-Pa., failed to pass a Senate vote in 2013.

According to a 23-page fax that Flanagan sent to ABC News on Wednesday morning, he “put down a deposit for a gun on 6/19/15,” and cited racial discrimination, sexual harassment and bullying as his motivations for the shooting.

“The thoughts and prayers of everybody here at the White House are with the families of those who were injured or killed in that terrible incident,” Earnest said.

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Security threat interrupts White House press briefing from Medill Washington on Vimeo.

The evacuation came in the middle of a televised press briefing by Press Secretary Josh Earnest. The North Lawn of the White House was also cleared.

PHOTOS, STORIFY: Bomb threat sparks evacuation of White House press briefing 

Secret Service officials said the threat was called in at 1:53 p.m. About 30 minutes after the call journalists were allowed back into the White House. Secret Service officers on the scene said an all-clear had been issued.

“As a precaution, the White House Briefing Room was evacuated,” Secret Service spokeswoman Nicole B. Mainor said in a statement. “The evacuation was limited to the White House Press Briefing Room and did not affect any other sections of the White House.”

Shortly after the evacuation Earnest wrote on Twitter that the briefing would resume shortly after the room was cleared. “Hopefully won’t be long,” he wrote.