A progressive group has launched a national campaign calling on senators to support an independent commission to investigate Russia's election meddling in the wake of FBI Director James Comey’s firing Tuesday.

Stand Up America’s nationwide members are calling their senators and urging them to support an independent commission to investigate Russian interference in the 2016 election and any ties between Russia and President Trump’s campaign.

The group told The Hill that nearly 10,000 calls have been made to lawmakers since Tuesday night, when Trump shocked the political world by firing Comey. The move has drawn quick scrutiny from Democrats and some Republicans.

A number of lawmakers have questioned the timing of Trump’s decision to fire Comey, who was leading the FBI's investigation into Moscow's election interference and any coordination between Trump’s campaign and Russia.

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“Right now, each of us must stand up for our democracy, and the truth, by calling on Congress to do their jobs and launch an independent commission to investigate Trump’s ties to Russia,” said Sean Eldridge, Stand Up America's founder and president.

“If there were ever a moment for our representatives to put country ahead of party, this is it.”

While Republicans remain divided on the need for an independent commission, two House Republicans — Barbara Comstock (Va.) and Justin Amash Justin AmashOn The Trail: How Nancy Pelosi could improbably become president History is on Edward Snowden's side: Now it's time to give him a full pardon Trump says he's considering Snowden pardon MORE (Mich.) — have called for one.

Other GOP members like Sen. John McCain John Sidney McCainKelly's lead widens to 10 points in Arizona Senate race: poll COVID response shows a way forward on private gun sale checks Trump pulls into must-win Arizona trailing in polls MORE (Ariz.) have called for a special congressional committee. A special committee, unlike an independent commission, would be comprised of lawmakers.

Stand Up America says its mission is to resist Trump’s agenda. The group was a main partner of last month's Tax March, which protested Trump's refusal to release his tax returns.

The group’s members have also made 60,000 phone calls to members of Congress to oppose the House GOP’s bill to repeal and replace ObamaCare, as well as the confirmations of Supreme Court Justice Neil Gorsuch and Education Secretary Betsy DeVos.