Sen. Chris Murphy Christopher (Chris) Scott MurphyDemocratic senator calls for 'more flexible' medical supply chain to counter pandemics The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon GOP chairman to release interim report on Biden probe 'in about a week' MORE (D-Conn.) ripped President Trump Wednesday for his response to a New York City terror attack that left eight people dead, comparing Trump's reaction to the Tuesday attack to Republicans' response to calls for gun control after the Las Vegas massacre.

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"Now I get it. If the killer is an immigrant you can talk about policy change, but if he's natural born, you're 'politicizing the tragedy,' " Murphy tweeted.

Now I get it. If the killer is an immigrant you can talk about policy change, but if he's natural born, you're "politicizing the tragedy". — Chris Murphy (@ChrisMurphyCT) November 1, 2017

The tweet from Murphy, one of Congress's most vocal advocates of gun control, refers to GOP criticisms of calls for stricter gun control following mass shootings, which they frequently claim "politicize" tragedies.

Murphy's tweet comes a day after Sayfullo Saipov, who came from Uzbekistan in 2010, drove a truck onto a bike lane in Manhattan's Lower West Side, killing eight people and leaving numerous others injured.

The president called for ramping up the "extreme vetting" of immigrants shortly after the attack took place, as well as an end to the "diversity visa lottery" program that Saipov reportedly used to enter the country.