Jimmy Kimmel opened up Thursday’s episode of “Jimmy Kimmel Live” with a plea to Republican lawmakers in the wake of the Florida school shooting in which 17 people were killed: “Do something. Now. Not later. Now.”

17 people, mostly students, were killed and at least 14 more were injured on Wednesday when a gunman opened fire on Marjory Stoneman Douglas High School. Officials released the identities of the victims, including both students and faculty, on Thursday.

Also Read: Josh Gad Vows Activism Against 'Worthless' Leaders After Friend's Son Killed in Florida Shooting

After showing a clip of Donald Trump’s public remarks after the shooting, a visibly angered Kimmel urged the president to “tell Paul Ryan, Mitch McConnell, Marco Rubio – all the family men who care so much about their communities – that what we need – are laws. Real laws – that do everything possible to keep assault rifles – out of the hands of people who are going to shoot our kids. Go on TV – and tell them to do that.

“Tell these Congressmen – and lobbyists – who infest that swamp you said you were going to drain,” Kimmel added with clear sarcasm at the word “swamp,” to “force these allegedly-Christian men – and women – who stuff their pockets with money from the NRA year after year after year – to do something. Now. Not later. Now.”

Kimmel also called out politicians for what has become a standard response after these tragedies. “Don’t you dare let anyone say “it’s too soon to be talking about it”. Because you guys said that after Las Vegas. You said it after Sandy Hook. You say that after every one of these eight now fatal school shootings we’ve had in the United States this year.”

Also Read: Twitter to Live Stream TV News When Tragedy Strikes, Florida Shooting Marks First Test

“Children are being murdered,” he continued. “Do something. We still haven’t talked about it. You still haven’t done anything about this. Nothing. You’ve literally done nothing. Actually – you’ve done worse than nothing.”

Kimmel ended the monologue by urging viewers to “vote them out of office” if nothing changes.

Watch the whole thing above.

Mass Shootings in America That Horrified All of Us (Photos)

Newtown, Conn. - On December 14, 2012, 20-year-old Adam Lanza fatally shot 20 children at Sandy Hook Elementary School. They were between the ages of six and seven years old. He also killed six adult staff members.
John Moore/Getty Images
Washington D.C. — A former Navy reservist shot and killed 12 people on September 16, 2013, at a military facility. The gunman was killed.
Getty Images
Tyrone, Mo. - On Feb. 27, 2015, Joseph Jesse Aldridge killed seven people — four of them relatives — in a door-to-door shooting spree before killing himself.
Getty Images
Waco, Tex. - Nine people were killed and many more were injured after two biker gangs began firing at each other at a motorcycle club on May 17, 2015.
Getty Images
Charleston, S.C. - Dylann Roof shot and killed nine people during a racially motivated shooting in a predominantly African-American church on June 17, 2015.
Getty Images
Chattanooga, Tenn. - A gunman named Mohammod Youssuf Abdulazeez entered two military facilities on July 16, 2015, and killed four Marines and injured others, before he was killed.
Getty Images
Umpqua, Ore. - On October 1, 2015, Chris Harper Mercer killed nine people and injured seven to nine more at Umpqua Community College before two police officers shot him. Mercer then committed suicide.
Getty Images
San Bernardino, Calif. - 14 people were killed and another 21 injured after Syed Farook and Tashfeen Malik opened fire during a holiday party on December 2, 2015. The pair were later killed during a shootout with police.
Getty Images
Orlando, Fla. - 50 people were killed and 53 wounded on June 11, 2016, at Pulse, a gay nightclub. Just before the shooting, suspected killer Omar Mateen called 911 and pledged his allegiance to the terror group ISIS. Mateen was also shot an killed by police on the scene.
Gerardo Mora/Getty Images

1 of 9

TheWrap looks back at recent mass shootings that have happened on U.S. soil

Newtown, Conn. - On December 14, 2012, 20-year-old Adam Lanza fatally shot 20 children at Sandy Hook Elementary School. They were between the ages of six and seven years old. He also killed six adult staff members.

View In Gallery