It remains unclear, however, whether the House will hold a vote on the Senate resolution or craft a version of its own.

Rep. Ileana Ros-Lehtinen (R-Fla.), the former chairwoman of the House Foreign Affairs Committee, on Wednesday told Secretary of State John KerryJohn KerryNew York Knicks owner gave 0K to pro-Trump group A bold, common sense UN move for the Trump administration Former Obama officials say Netanyahu turned down secret peace deal: AP MORE there was a “rumor circulating” that the House might not vote on a Syria resolution at all.

“I don't know anything about this rumor, so I'm not going to comment on it, because it is a rumor. And it's the first I've heard of it,” Kerry said in response.

A handful of House GOP staffers surmised that Ros-Lehtinen was "speculating" that a resolution would have to come up on the floor for consideration should Foreign Affairs Committee Chairman Ed Royce (R-Calif.) fail to have enough support on his committee to recommend that the full House approve the authorization.

The Hill’s Whip List
shows there is a significant and growing bloc of opposition in the House to approving military force.

Though House Speaker John BoehnerJohn BoehnerHouse markup of ObamaCare repeal bill up in the air Conservatives to Congress: Get moving Boehner: ObamaCare repeal and replace 'not going to happen' MORE (R-Ohio) endorsed military action on Tuesday, he said it was incumbent on the president to secure enough votes for passage.

Many lawmakers say they have received a flood of calls from constituents who are opposed to U.S. action in Syria.