The media mogul travelled straight to News International's head office at Wapping in east London after flying into the country this morning.
The company closed the paper on Thursday following fresh allegations of phone hacking. The final edition of the News of the World was published today.
Meanwhile, Labour leader Ed Miliband has said that he will force a vote in the Commons to delay News Corporation's proposed takeover of BSkyB.
"[David Cameron] has got to understand that when the public have seen the disgusting revelations that we have seen this week, the idea that this organisation, which engaged in these terrible practices, should be allowed to take over BSkyB, to get that 100 percent stake, without the criminal investigation having been completed and on the basis of assurances from that self-same organisation - frankly that just won't wash with the public," he told The Andrew Marr Show.
He added: "I have to say that this is pretty desperate stuff because the prime minister must answer the real questions at the heart of this affair - about his error of judgment in hiring [former editor] Andy Coulson and the mounting evidence there now is about the warnings that were given to him before he brought Andy Coulson into the heart of the government machine."