Republicans on the House Judiciary Committee are asking for a second special counsel separate from Robert Mueller to probe aspects of the 2016 election and actions by officials in the Obama administration, including former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE.

Committee Chairman Bob Goodlatte Robert (Bob) William GoodlatteNo documents? Hoping for legalization? Be wary of Joe Biden Press: Trump's final presidential pardon: himself USCIS chief Cuccinelli blames Paul Ryan for immigration inaction MORE (R-Va.) and other Republicans on the committee sent a letter to Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE and Deputy Attorney General Rod Rosenstein on Thursday requesting the appointment of a second special counsel, according to NBC News reporter Frank Thorp.

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House Judiciary Cmte Republicans want a SECOND special counsel: pic.twitter.com/aVz8yikXfM — Frank Thorp V (@frankthorp) July 27, 2017

The letter asked that the second special counsel investigates officials including former Attorney General Loretta Lynch and former FBI Director James Comey.

The lawmakers also cite concerns with Mueller's probe, accusing it of being too narrow.

The letter comes a day after Republicans on the committee voted to request documents related to Comey's communications with the Obama administration and journalists.

The GOP amendment to request documents focuses on questions raised by some Republicans and the Trump administration over Comey's handling of the FBI investigation into Clinton's email use and the former top cop's alleged "leaks" of memos he authored, in which he documented his interactions with Trump.