Prepare for a meltdown from Republican presidential nominee Donald Trump if he loses the election.

He told supporters on Monday that he fears the election could be rigged, an indication that even if Democratic nominee Hillary Clinton wins, Trump might not accept it. He made specific comments while talking about Sen. Bernie Sanders( I-Vt .), who lost the Democratic nomination to Clinton and whose supporters Trump has openly courted.

“First of all, it was rigged, ” Trump told of the Democratic primary during a rally in Columbus, Ohio. “And I’m afraid the election is going to be rigged, I have to be honest.”

WikiLeaks recently released internal emails from the Democratic National Committee that suggested its staff favored Clinton. Government officials say Russian hackers were behind the violate.

After sowing seeds of mistrust in the results of the elections, Trump promptly turned to praising himself for his “guts” to enter the GOP field and the number of elections he received in the primary, against what some called the greatest field of candidates in history.

The rally came as Trump, as usual, faces multiple other disagreements. He avoided taking more jabs at a Muslim mother and father whose son died in combat, but did weigh in on criticism of his recent comments on Russia’s annexation of Crimea and his relationship with Russian President Vladimir Putin.

Trump was of the view that his comments on ABC’s “This Week” on Sunday had been misinterpreted and that he was unaware that Russia in 2014 marched into the Crimean peninsula of Ukraine. The Russian claim to Crimea is not recognized by international bodies.

Trump insisted he “gave a good answer” on Russia and that he did know about the annexation, but that it happened under President Barack Obama’s watch.

He added that it “would be really nice if we got along with Russia and others that we don’t get along with right now, ” and teamed up to combat the Islamic State, also known as ISIS.

“Putin said some very good things about me, ” Trump told. “People say,' Oh, Trump’s going to be weak with Putin, ’ because Putin is telling nice things about me. OK, all right. And I said he’s a strong guy, they immediately say,' Trump likes Putin.’ Look, I don’t like or dislike.”

Editor’s note: Donald Trump regularly incites political violence and is a serial liar , rampant xenophobe , racist , misogynist and birther who has repeatedly pledged to ban all Muslims 1.6 billion members of an entire religion from entering the U.S .

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