At least 16 current and former employees are suing the network over racial discrimination.
A letter was sent to Ofcom by Douglas Wigdor, a New York lawyer.
The Murdochs supported the rising star amid heavy criticism from president-elect Donald Trump during his campaign. Their next goal is to launch an international news network, buoyed by a potential acquisition of Sky News.
Colin Myler and Tom Chrone face sanctions from UK Parliament after being found in contempt of House of Commons.
Roger Ailes gave Donald Trump a weekly call-in segment to discuss political issues, Fox sources told “New York” magazine.
The figure compares with a profit of $23m in the same quarter last year.
Unconfirmed chatter about potential News Corp interest in Twitter circulated on Wednesday.
The media mogul tweeted his support for controversial Republican candidate Ben Carson.
The Fox boss is using his press dominance to campaign against public broadcasters.
Andy Coulson sentenced to 18 months over phone hacking at the News of the World
The former News of the World editor's backstory is as tacky and tawdry as the scandal sheets she once edited
A jury cleared Brooks unanimously but found Andy Coulson, Prime Minister David Cameron's former media chief and ex-editor of one of Murdoch's British titles, guilty