Florida Sen. Marco Rubio Marco Antonio RubioSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Florida senators pushing to keep Daylight Savings Time during pandemic Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll MORE (R) on Tuesday lashed out at a "disgusting group of idiots" who made up the claim that students appearing on TV as survivors of last week's deadly high school shooting were actors.

A staffer for Florida state Rep. Shawn Harrison (R) said the two high schoolers who survived the tragedy pictured in a Tampa Bay Times story about the students criticizing Rubio and other lawmakers are "not students here but actors that travel to various crisis when they happen."

Claiming some of the students on tv after #Parkland are actors is the work of a disgusting group of idiots with no sense of decency — Marco Rubio (@marcorubio) February 20, 2018

Harrison later said in a tweet of his own that the staffer, who was acting without Harrison's approval, has been placed on leave:

I was just made aware that my aide made an insensitive and inappropriate allegation about Parkland students today. I have spoken to him and placed him on leave until we determine an appropriate course of action. I do not share his opinion and he did so without my knowledge. — Shawn Harrison (@Shawnfor63) February 20, 2018

The students from the Parkland, Fla., high school voicing support for gun restrictions following the shooting are now facing increased scrutiny from the right as a result of their appearances on mainstream news networks.

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Former GOP Rep. Jack Kingston Johon (Jack) Heddens KingstonLobbying firm cuts ties to Trent Lott amid national anti-racism protests Thankfully, the doctor is in Ex-Trump campaign adviser: Biden would be able to 'sit down and get some things done' with Republicans MORE (Ga.) said Tuesday that while he was "heartbroken" for the survivors of the tragedy, "their sorrow can very easily be hijacked by left-wing groups who have an agenda."

Marjory Stoneman Douglas High School students have become vocal advocates for changes to firearm laws since the shooting last Wednesday when 17 students and school faculty were killed, calling out the Florida legislature and Congress for their inaction.

Several Stoneman Douglas students were in attendance on Tuesday when the Florida state legislature voted down a measure to consider a ban on assault rifles like the one used in Parkland.

Dozens of students held a "lie-in" protest near the White House on Monday, demonstrating the amount of time it took for the 19-year-old alleged gunman to complete his killing rampage.