Sen. Bernie Sanders Bernie SandersThe Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power Bernie Sanders: 'This is an election between Donald Trump and democracy' The Hill's 12:30 Report: Trump stokes fears over November election outcome MORE (I-Vt.) on Monday took to Twitter to mock Senate Republicans for the process behind their ObamaCare repeal bill.

“BREAKING: Senate Republicans just released the schedule of hearings, committee markups and public testimony for their health care bill,” Sanders tweeted with a photo of a blank piece of paper.

BREAKING: Senate Republicans just released the schedule of hearings, committee markups and public testimony for their health care bill. pic.twitter.com/iHtXyZqyMW — Bernie Sanders (@SenSanders) June 12, 2017

A number of Democrats have criticized the Senate GOP for the handling of its healthcare reform legislation.

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Sen. Christopher Coons Christopher (Chris) Andrew CoonsMurkowski: Supreme Court nominee should not be taken up before election Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Del.) on Monday said there were big distinctions between the way Democrats handled passing ObamaCare in 2009 and the current GOP plan.

“When the Democrats passed the Affordable Care Act back in 2009, I wasn't in the Senate, but there were hearings after hearings after hearings over a year before they came to the conclusion that they were going to have to pass the bill without Republicans," Coons said on CNN's "New Day."

"The bill had Republican amendments taken up and voted on in committee hearings before it ultimately became law, but it's a very different process than the closed-door process Republicans are following now."

Senate Republicans have said there will be no committee hearings or markups for the bill, a major departure from the normal process of the Senate. The bill will instead go straight to the floor for a vote. Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellTrump 'no longer angry' at Romney because of Supreme Court stance On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline The Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power MORE (R-Ky.) is aiming to hold a vote on the bill the last week of June, before the Fourth of July recess.