Rep. Darrell IssaDarrell Edward IssaCalifornia Republicans seek turnout boost to avert midterm disaster Is Paul Ryan the latest sign of crumbling Republican Party? Lawmakers question FBI director on encryption MORE (R-Calif.) apologized to Rep. Elijah CummingsElijah Eugene CummingsThe Hill's Morning Report: Inside the Comey memos Trump claims vindication after release of Comey memos Top Oversight Dem: Comey memos corroborate what he said about Trump MORE (D-Md.) for cutting off his microphone during a heated hearing on alleged Internal Revenue Service abuses.

In a telephone conversation Thursday with U-T San Diego, the House Oversight Committee chairman said, “I could have offered to reopen the hearing and allowed him to make a second statement. As chairman, I should have been much more sensitive to the mood of what was going on, and I take responsibility.”

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“Mr. Cummings is a member of Congress who works very hard for his constituents,” he added.

Issa called what happened “an unfortunate incident” and said he and Cummings, the top Democrat on the Oversight and Government Reform Committe, talked about how they could “do a better job going forward.”

"This evening, Chairman Issa telephoned me and apologized for his conduct, and I accepted his apology," Cummings said in a statement.

"My sincere hope is that as we move forward, we will respect the opinions of all members of the committee, we will proceed in a deliberate and considered manner to obtain the facts, we will refrain from making accusations that have no basis in fact, and we will seek resolution rather than unnecessary conflict."

The move came after the Congressional Black Caucus petitioned Speaker John Boehner (R-Ohio) to strip Issa's chairmanship for his behavior at Wednesday's contentious IRS hearing. The House, however, failed to pass a resolution condemning Issa in a 211-186 vote.