House GOP lawmakers — but no Republican senators — joined protesters to rally against healthcare reform legislation before Congress.

In the first hour of the rally, seven House GOP lawmakers, including Rep. Mike Pence (R-Ind.), who serves as conference chairman, sought to rouse support for killing the healthcare legislation set to move through Congress.

Joining Pence were Republican Study Committee Chairman Tom Price (Ga.) and Reps. Michele BachmannMichele BachmannBachmann: Muslim immigrants trying to undermine Western civilization Religious leaders pray over Trump in Oval Office 'Real Housewives' producer 'begging' Conway to join cast MORE (R-Minn.), Marsha BlackburnMarsha BlackburnNet neutrality activists to target lawmakers Over-the-counter hearing aids: A long overdue alternative for millions of Americans Overnight Tech: Web shows support for net neutrality on 'Day of action' | Dems call for more FCC oversight | Verizon suffers massive data breach MORE (R-Tenn.), Joe WilsonJoe WilsonObama left nuclear waste in South Carolina, Trump can clean it up Congress to take up North Korea travel ban legislation as soon as next month: report An unlikely home in DC MORE (R-S.C.), Steve King (R-Iowa) and Louie GohmertLouie GohmertSteve King compares military pay for gender transition to Ottoman's castrating slaves House passes 6.5B defense policy bill Budget process drags as GOP struggles for consensus MORE (R-Texas).

The lawmakers spoke to a crowd whose size has not yet been estimated, but whose members carried items ranging from flags to signs calling on lawmakers to "kill the bill." Additionally, some signs expressed "birther" sentiments.

The crowd was set to disperse across Capitol Hill throughout the day on Tuesday to visit lawmakers to urge them to vote against health reform legislation. Democratic leaders have urged members to treat the Tea Partiers hospitably.