Senators are asking Facebook for answers over its alleged suppression of conservative news

Mark zuckerberg annoyed speakingWin McNamee/Getty ImagesFacebook CEO Mark Zuckerberg.

US senators have asked Facebook for more information in the wake of a report alleging that the social network has been suppressing conservative news and media outlets.

Gizmodo published a bombshell report earlier this week alleging that curators who control the “Trending” news bar on the side of the social network routinely choose not to feature conservative topics and news outlets, while favouring others like activist movement Black Lives Matter.

In a Facebook post published early Tuesday morning, the social network’s VP of search Dan Stocky finally denied the reports, writing that “we take these reports extremely seriously, and have found no evidence that the anonymous allegations are true.”

But the debate is rumbling on, and raises broader questions about whether Facebook’s reportedly largely young and liberal news curators have implicit biases affecting what the Trending bar features, as well as Facebook’s responsibilities as a dominant media platform.

The latest development: The US Senate Commerce Committee sent a letter to Mark Zuckerberg with a list of questions about the feature and the allegations, reports Gizmodo.

“What steps is Facebook taking to investigate claims of politically motivated manipulation of news stories in the Trending Topics section? If such claims are substantiated, what steps will Facebook take to hold the responsible individuals accountable?” One question asks.

Another asks for a copy of the “guidelines” that Facebook has to prevent “the suppression of political perspectives.”

A third requests “a list of all news stories removed from or injected into the Trending Topics section since January 2014.”

Facebook did not immediately respond to a request for comment.

Here’s the full letter:

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