Washington - Donald Trump ratcheted up his attacks on the media on Friday, describing the press as "the enemy of the American people!" in a tweet.Shortly after landing at his holiday home in Mar-a-Lago, Florida - where he is spending a third consecutive weekend - the president lashed out in 140 characters."The FAKE NEWS media (failing @nytimes, @NBCNews, @ABC, @CBS, @CNN) is not my enemy, it is the enemy of the American People!" Trump wrote.Trump had tweeted an earlier post which targeted the New York Times, CNN, NBC "and many more" media - and ended with the exclamation "SICK!"But he swiftly deleted that missive before reposting the definitive version - adding two more "enemies" to his blacklist.Many US presidents have criticised the press, but Trump's language has more closely echoed criticism levelled by authoritarian leaders around the world.The 70-year-old built his campaign on criticising the press as biased.On Thursday he launched a long diatribe at a grievance-filled news conference, in which he blamed the media for his one-month-old administration's problems.In four tumultuous weeks, Trump has seen his national security advisor ousted, a cabinet nominee withdraw, a centrepiece immigration policy fail in the courts and a tidal wave of damaging leaks.