President Trump did not mention gun control during Las Vegas briefing, and Twitter noticed

Here are some of the deadliest mass shootings in America. If the number of at least 50 dead is accurate, the shooting becomes the deadliest single-day mass shooting spree in American history.

On Monday morning, President Donald Trump offered his condolences to the victims of the mass shooting that killed at least 58 and injured more than 400 during the Route 91 Harvest Festival in Las Vegas.

»RELATED: The deadly Las Vegas massacre, by the numbers: How many killed, injured and more

During the White House briefing, he called the incident “an act of pure evil” and announced that he would be visiting the Nevada city to meet officials and families impacted by the tragedy.

While he sympathized with those affected and praised first responders for their quick service, he did not mention gun control.

And Twitter noticed, taking to the social media platform to critique his speech.

»RELATED: More than 50 people killed at Las Vegas 'sleepover' — What is the Route 91 Harvest?

In the past, Trump has made his views on gun control known.

Back in April, he visited Atlanta to speak at the NRA convention.

Trump made it clear in a stump-style address that he wasn't wavering in his support for gun rights: "The eight-year assault on your Second Amendment freedoms has come to a crashing end."

Trump's address was reminiscent of his election rallies. He told NRA members he would not back away from defending the right to bear arms.

"You have a true friend and champion in the White House," he said.

»RELATED: What Donald Trump said during the NRA convention in Atlanta  

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