The Senate Commerce Committee is pushing Facebook and Cambridge Analytica to answer questions about their dealings with one another, following controversy over data the firm allegedly took from 50 million Facebook accounts.

“We appreciate that Facebook has recently taken steps to address this situation. Nevertheless, the possibility that Facebook has either not been transparent with consumers or has not been able to verify that third-party app developers are transparent with consumers is troubling,” Commerce Committee Chairman Sen. John Thune John Randolph ThuneWhat Senate Republicans have said about election-year Supreme Court vacancies The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump contradicts CDC director on vaccine, masks MORE (R-S.D.), wrote in a joint letter with Sens. Roger Wicker Roger Frederick WickerHillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll Shakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' Republican Senators raise concerns over Oracle-TikTok deal MORE (R-Miss.) and Jerry Moran Gerald (Jerry) MoranLobbying world This World Suicide Prevention Day, let's recommit to protecting the lives of our veterans Hillicon Valley: Zuckerberg acknowledges failure to take down Kenosha military group despite warnings | Election officials push back against concerns over mail-in voting, drop boxes MORE (R-Kan.), who chair Commerce subcommittees.

The letter comes after Facebook announced it would suspend Cambridge Analytica from its platform.

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The lawmakers asked if it agreed with Facebook’s characterization of its actions in a separate letter to Strategic Communication Laboratories (SCL) — the British parent company of Cambridge Analytica.

Cambridge Analytica has challenged Facebook’s assertion on the data. In a statement, it said that it had not "knowingly breached any of Facebook's terms of service and also provided a signed statement to confirm that all Facebook data and their derivatives had been deleted."

The lawmakers also questioned if SCL has shared the Facebook data it obtained with other companies.

Observers have questioned what Cambridge Analytica did with the data, specifically focusing on if it was distributed to either the Trump campaign or Russia. The firm has denied giving the Facebook data to both entities.

Commerce leadership are latest lawmakers to weigh in on the issue. A bevy of legislators, including Sens. Ed Markey Edward (Ed) John MarkeySchumer: 'Nothing is off the table' if GOP moves forward with Ginsburg replacement Democrats see fundraising spike following Ginsburg death Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy MORE (D-Mass.), Amy Klobuchar Amy KlobucharBattle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates Klobuchar: GOP can't use 'raw political power right in middle of an election' MORE (D-Minn.) and John Kennedy John Neely KennedyMORE (R-La.), have also pressed the companies on the matter.