President Donald Trump suggested Wednesday that he might revoke White House credentials for some journalists, following the publication of a survey that showed a dramatic leftward tilt in television news coverage about him.

The Media Research Center, a conservative watchdog group, tracked the evening newscasts on ABC, CBS and NBC for the first four months of this year and found more than 1,600 'explicitly positive and negative' statements about the president.

The group determined that nine out of 10 of those broadcast statements were negative. It did not include CNN and MSNBC in its research.

Trump vented, saying: 'The Fake News is working overtime. Just reported that, despite the tremendous success we are having with the economy & all things else, 91% of the Network News about me is negative (Fake). Why do we work so hard in working with the media when it is corrupt? Take away credentials?'

The president, though, ignored a journalist's question hours later when he was asked before a Cabinet meeting whether or not he would 'ban press from the White House.'

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President Donald Trump lashed out Wednesday at the reporters who cover him, saying 91 per cent of coverage of him that the three major TV networks air is negative