MSNBC host Joe Scarborough tore into President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE Friday for his response to mass shootings following the massacre Wednesday at a Florida high school, saying Trump has done “nothing to protect Americans from future killings.”

“Donald Trump does nothing; Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE does nothing; Mitch McConnell Addison (Mitch) Mitchell McConnellMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE does nothing,” Scarborough said. “They choose to be on the side of the 4 percent and on the wrong side of the 95 percent who want commonsense gun safety laws enacted.”

Scarborough lashed out at Trump and other Republicans for their inaction on gun control legislation following several mass shootings, including the shooting at a Las Vegas country music festival in October and a shooting at a Texas church in November.

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“Donald Trump knew this day was coming,” he said. “Donald Trump knows another school shooting is coming. Donald Trump knows another church shooting is coming. More Christians will be gunned down in churches in middle America. More country music fans will be gunned down at concerts across America.”

Scarborough later railed against Trump when MSNBC contributor Donny Deutsch said Trump could act on gun control in order to become a “hero.”

“Donald Trump has proven to be a coward. He’s proven to be a small man,” Scarborough said. “He’s so scared of his most extreme base — he is a coward.”

Scarborough’s remarks come days after a mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla. A gunman killed 17 people and injured many others. The suspected shooter, a former student at the school, was taken into custody following the shooting.

After the shooting, gun control advocates and some Democratic lawmakers renewed calls for tightening gun laws, particularly for those with mental illnesses.

Rep. Seth Moulton Seth MoultonThe Hill's Morning Report - Presented by Facebook - Markey defeats Kennedy; Trump lauds America's enforcers in Wisconsin Moulton fends off primary challenges in Massachusetts Portland: The Pentagon should step up or pipe down MORE (D-Mass.) called on President Trump to "get off his ass" and work with lawmakers to pass gun control legislation.

Trump expressed his condolences for those affected by the shooting and said he would "tackle the difficult issue of mental health," but has yet to weigh in on the calls for gun control from Parkland community members and Democratic lawmakers.