Washington (CNN) President Donald Trump believes he is being unfairly linked to the pipe bombs delivered to frequent targets of his acrimonious rhetoric and has watched with disdain as the national conversation has shifted to his role in shaping the divisive political environment.

Rather than cooling off his tone, he is digging in, two people who spoke to him on Thursday said. Trump has no plans to claim any personal responsibility that he has contributed to the divisive climate surrounding the attempted attacks, the two people said. And his advisers have no plans to urge him to dial back his attacks on the media, a senior White House official said.

The President on Wednesday condemned the attempted bombings and called for Americans to "unify" and strive for civility before stressing that the media "has a responsibility to set a civil tone."

But by Thursday morning, the President directly blamed the mainstream news organizations for "the Anger we see today in our society," falsely accusing news outlets of publishing "purposely false and inaccurate reporting."

"He believes he's treated with hostility and unfairly -- there's no talking him out of that," one Trump confidant said.

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