President Barack Obama on Tuesday blasted Donald Trump, saying he was unfit to be president and even criticized the Republican party for supporting Trump.
Trump has now fired back at Obama saying he and Clinton are responsible for destabilizing the Middle East and helping ISIS grow.
"Hillary Clinton has proven herself unfit to serve in any government office," a Trump statement said.
"Obama-Clinton have single-handedly destabilized the Middle East, handed Iraq, Libya and Syria to ISIS, and allowed our personnel to be slaughtered at Benghazi."
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Later on, in an interview with WJLA, Trump continued;
"He's a terrible president. He'll probably go down as the worst president in the history of our country. He's been a total disaster."