Donald Trump is again raising the possibility that he might run for president as a third-party candidate, suggesting that the Republican Party is not meeting its end of their loyalty “deal”.

Responding to reports that independent super-PACs are planning attack ads against his candidacy, the billionaire Republican front-runner tweeted on Monday:

.@WSJ reports that @GOP getting ready to treat me unfairly—big spending planned against me. That wasn’t the deal!

— Donald J. Trump (@realDonaldTrump) November 23, 2015

Asked what “reports” Trump was referring to, his campaign manager Corey Lewandowski said in a telephone interview that it was a reference to plans by a super-PAC supporting Ohio Gov. John Kasich to run a $2.5 million campaign against Trump.

Read the article “Trump Resurfaces Idea of Third-Party Run” on thehill.com.