Organizers are reporting as many as 800,000 people gathered in Washington, D.C., on Saturday afternoon for the anti-gun violence rally, NBC reported.

Rebecca Shabad, a congressional reporter for NBC News, tweeted that "March for Our Lives" officials told her the estimate around 3 p.m. Saturday.

Officials tell @NBCNews that they are estimating 800,000 people gathered in Washington, DC today for the #marchforourlives rally. — Rebecca Shabad (@RebeccaShabad) March 24, 2018

D.C. metropolitan police have not yet released their approximate crowd size.

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The current estimate of "March for Our Lives" attendees exceeds most estimates of President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE's inauguration crowd size. The Washington Post estimated in 2017 that around 600,000 people attended Trump's inauguration.

Thousands of American students gathered all across the country, inspired by the student survivors of the Parkland, Fla., school shooting who organized the D.C. march.

Updated 3:46 p.m.