The Hill’s Mike Soraghan is reporting that the D.C. House Voting Rights Act, known as H.R. 157, has been pulled from tomorrow’s House legislative calendar due to concerns over a controversial amendment added to the Senate’s version of the bill that would repeal the District’s gun laws.

The House version of the voting rights bill had been expected to come up for a vote on Wednesday. The House Rules Committee is still scheduled to meet on the bill to prep it for a vote at 5 p.m. today.

House Republicans are eager to add their own gun law amendment to the match the Senate, and there is apparently now concern on the part of House Democrats that the gun amendment could succeed. Negotiations on the bill are ongoing.