Sen. Bernie SandersBernard (Bernie) SandersDems ponder gender politics of 2020 nominee 2020 Dem contenders travel to key primary states After Florida school shooting, vows for change but no clear path forward MORE (I-Vt.) on Saturday was interrupted during a rally in Amherst, Mass., by a man wearing a Donald TrumpDonald John TrumpAccuser says Trump should be afraid of the truth Woman behind pro-Trump Facebook page denies being influenced by Russians Shulkin says he has White House approval to root out 'subversion' at VA MORE shirt.  

"Shame on you, Bernie," the man shouted at the senator. 

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"Here's a Trump supporter worried about Mr. Trump's money," Sanders said as the crowd booed. 

The heckler held up a sign that read, "Obama is as Christian as Bruce Jenner is a woman." 

Sanders' supporters chanted "Bernie, Bernie, Bernie" as the protester was escorted out of the rally. 

"I say to Mr. Trump and his supporters that the billionaires in this country will not continue to own this nation," Sanders said. 

Watch the incident in the video above.