More than 100 Republicans have signed the final draft of a letter to be sent Tuesday urging Republican National Committee Chairman Reince Priebus to shift resources away from Donald Trump.

Among the letter’s 123 signees are two current members of Congress, Rep. Scott Rigell (R-VA) and Rep. Reid Ribble (R-WI), and 27 former RNC staffers.

The letter urges Priebus to “immediately suspend all discretionary RNC support for Trump” and instead allocate resources to House and Senate races in order to “save the Republican Party.”

Read the full letter below: