Greensboro, North Carolina (CNN) Donald Trump on Tuesday accused President Barack Obama of being angrier at him than at the gunman who perpetrated the deadliest terrorist attack on U.S. soil since 9/11.

"I watched President Obama today and he was more angry at me than he was at the shooter," Trump said, drawing boos from the crowd. "The level of anger, that's the kind of anger that he should have for the shooter and these killers that shouldn't be here."

Obama passionately excoriated Trump during a speech earlier in the day for demonizing Muslims and defying American values in his response to the terrorist attack in Orlando, calling Trump's mindset "dangerous."

Trump also said if Obama had been a "great president," the businessman would have been happy.

"But I'll tell you what he's been one hell of a lousy president, he's done a terrible job," he said.

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