(CNN) After a weekend full of backlash for his comments saying former POW Sen. John McCain is "not a war hero," Donald Trump put his defiance in writing.

Trump renewed his attacks on McCain and writes "The reality is that John McCain the politician has made America less safe, sent our brave soldiers into wrong-headed foreign adventures, covered up for President Obama with the VA scandal and has spent most of his time in the Senate pushing amnesty."

Trump also wants Republican presidential candidates who blasted him for his comments on McCain to know that he doesn't care.

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