Moments after special counsel Robert Mueller turned over his long-awaited report on the Russia investigation to Attorney General William Barr, 2020 Democratic presidential candidates began calling for its immediate release.

“Attorney General Barr — release the Mueller report to the American public. Now,” Sen. Elizabeth Warren, D-Mass., tweeted.

Attorney General Barr—release the Mueller report to the American public. Now. https://t.co/sqz8eoTjLD — Elizabeth Warren (@ewarren) March 22, 2019

“This report should be made public immediately,” Sen. Cory Booker, D-N.J., wrote.

This report should be made public immediately. https://t.co/Q2JCExqYaA — Cory Booker (@CoryBooker) March 22, 2019

“Special counsel Mueller’s report should be made public without any delay. The American people have a right to know its findings,” Sen. Kirsten Gillibrand, D-N.Y., added.

Special counsel Mueller’s report should be made public without any delay. The American people have a right to know its findings. — Kirsten Gillibrand (@SenGillibrand) March 22, 2019

As well as calling for an immediate release of the report, Sen. Kamala Harris, D-Calif., demanded Barr testify publicly on the report's findings.

Americans deserve to know the truth now that the Mueller report is complete. The report must be released immediately and AG Barr must publicly testify under oath about the investigation's findings. We need total transparency here. — Kamala Harris (@KamalaHarris) March 22, 2019

Sen. Amy Klobuchar, D-Minn., former Rep. Beto O'Rourke, and former Rep. John Delaney, D-Md., also piled on.

BREAKING: The Mueller report is complete. Attorney General Barr must release the full report to the public. The American people deserve to know the facts. https://t.co/XdUaSw31Xu — Amy Klobuchar (@amyklobuchar) March 22, 2019

Release the Mueller report to the American people. — Beto O'Rourke (@BetoORourke) March 22, 2019

The patriotic action for the Attorney General is to release the entire Mueller Report to the American people. We paid for it and this moment requires transparency. https://t.co/8FTZsDRngq — John Delaney (@JohnDelaney) March 22, 2019

Former Secretary of Housing and Urban Development Julian Castro said Americans deserve to know the full truth about Russian interference in the 2016 election and called for the report to be released in its entirety.

The American people deserve to know the full truth about Russia’s interference in our democracy. The Special Counsel report must be publicly released in its entirety. https://t.co/Q5OT6zPpOg — Julián Castro (@JulianCastro) March 22, 2019

It is up to Barr how much of the confidential report will be released to Congress and the public. Barr said Friday he was reviewing the report and he “may be in a position” to brief lawmakers on the report’s “principal conclusions” as soon as this weekend.