ANKARA

U.S. President Donald Trump said Bernie Sanders should not be too hopeful in primary voting Tuesday in six states.

"Going to be a BAD day for Crazy Bernie!" Trump tweeted, predicting victory for former U.S. Vice President Joe Biden, the other Democratic nominee in the presidential race.

Trump has argued that the Democratic Party is staging a "coup" against Sanders in favor of Biden.

In earlier tweets and speeches, Trump said Massachusetts Senator Elizabeth Warren undermined Sanders' campaign and played to Biden by not withdrawing last week from Super Tuesday primaries. Warren eventually suspended her campaign later in the