Constituents took advantage of Fourth of July celebrations to lobby Republican senators on healthcare, The Washington Post reported Tuesday.

The holiday was one of the few opportunities constituents had to publicly address lawmakers about healthcare, a topic that has dominated the legislative agenda in recent weeks.

Sen. Susan Collins Susan Margaret CollinsSenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-Maine) said she heard constituents asking her if she’ll vote for the Republican bill to repeal and replace ObamaCare, called the Better Care Reconciliation Act.

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“I heard, over and over again, encouragement for my stand against the current version of the Senate and House healthcare bills,” Collins told the Post. “People were thanking me, over and over again. ‘Thank you, Susan!’ ‘Stay strong, Susan!’ ”

Susan Collins is at the Fourth of July parade in Eastport, Me., as spectators call "health care! Health care!" and shower her with thanks. pic.twitter.com/eTuyNK3zsS — Jess Bidgood (@jessbidgood) July 4, 2017

Collins was one of several GOP senators who said she would block the first draft of the legislation from moving forward.

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE (R-Ky.) and Sen. Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE (R-Texas) both faced protesters at events they were holding in their home states, according to the Post.

Cruz told the Texas Tribune that the protesters were “a small group of people on the left who right now are very angry.” McConnell largely avoided the crowd as it was blocked from entering the event he was attending, but he called ObamaCare “a disaster” in a video from the Louisville Courier-Journal.

Sen. Dean Heller Dean Arthur HellerOn The Trail: Democrats plan to hammer Trump on Social Security, Medicare Lobbying World Democrats spend big to put Senate in play MORE (R-Nev.), who has openly opposed the first draft of the legislation, was met at a parade in his home state by constituents who were urging him to vote for the new bill, according to the Post.

And Sen. Lisa Murkowski Lisa Ann MurkowskiSenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies McConnell says Trump nominee to replace Ginsburg will get Senate vote MORE (R-Alaska), who has also criticized the bill, reportedly faced dozens of constituent questions about healthcare as she walked in a local parade.

“Most people don’t ask ‘for or against,’ ” Murkowski told the Post. “They just say, ‘Make sure you’re taking care of our interests.’ In fairness for those that do the ‘for or against,’ everybody is pretty much [saying] they don’t think this is good for us.”