Donald Trump drew angry reaction from a Tea Party crowd on Saturday, when he bashed rival Republican Ted Cruz over at least two undisclosed bank loans he admitted to earlier this week.

NBC reports the GOP front-runner was speaking before a group of South Carolina grassroots conservatives when he started blasting the Texas senator.

"You give a campaign contribution to Ted Cruz, you get whatever the hell you want," he said before being drowned out by a chorus of boos.

Trump later added, "Say whatever you want, it's okay, he didn't report his bank loans. He's got bank loans from Goldman Sachs, he's got bank loans from Citibank, folks, and then he acts like Robin Hood?"

After a period where the two party favorites had little bad to say about one another, Trump and Cruz have openly feuded of late, with Trump going as far as to even question Cruz's legal right to be president given he was born in Canada.

With the Iowa caucuses now just two weeks away and the two locked in a neck and neck battle, the stakes and rhetoric have only grown hotter, with the two taking turns openly blasting the other during the most recent GOP debate.

In his remarks before the same Tea Party Coalition Convention crowd Trump spoke to on Saturday, Cruz took the high road and refrained from mentioning the bombastic real estate mogul by name.

Later, influential conservative talk-radio host Mark Levin told Trump in a social media post to "either cut the crap - your accusations this morning that Cruz is Canadian, a criminal, owned by big banks, etc. - or you will lose lots and lots of conservatives."

A new Des Moines Register/Bloomberg poll now shows Cruz with 25 percent of the vote in Iowa to Trump's 22 percent and Florida Senator Marco Rubio's 12 percent.

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