US Democratic presidential candidate Senator Bernie Sanders has expressed determination to do everything to stop Donald Trump's proposed ban on Muslims entering the country.

“As a United States senator, I will do everything in my power to make sure that absurd, hateful proposal never occurs,” Sanders said on Friday, referring to the presumptive Republican presidential nominee’s proposal on the ban on Muslims.

“He is managing to antagonize large sections of this planet against the United States. That is unacceptable, that is incredibly destructive, and that is why this guy will not become president,” he said.

The Vermont senator said the real estate mogul is alienating Hispanics and Muslims all over the world, adding that, he would do everything he can to keep Trump from the Oval Office.

"Donald Trump represents a whole lot that I passionately hate. And I will do– if I’m not the candidate, I will do everything I can to make sure that Donald Trump does not become president of the United States," Sanders said. "I think he would be a disaster for this country in so many ways.”

US Republican Presidential candidate Donald Trump speaks during his rally at the Charleston Civic Center on May 5, 2016 in Charleston, West Virginia. (AFP photo)

Trump's campaign has been marked by controversial statements, including with disparaging remarks about Mexican immigrants and Muslims.

He created a furor in the US and around the world by proposing a “total and complete shutdown of Muslims” entering the United States, following a mass shooting in California.

The billionaire businessman has also proposed to stop illegal immigration by building a wall on the US-Mexico border, and banning Muslims from entering the United States until their identities are confirmed.

Sanders raps Clinton over GOP donors

On Friday, the Vermont Senator also censured his Democratic rival and former US Secretary of State Hillary Clinton over soliciting Republican donors for her presidential campaign, saying those measures would turn off his supporters.

"As I understand it, [Clinton] is now reaching out to Jeb Bush’s fundraisers in order to raise money from them, and that really casts a doubt on the parts of millions of Americans,” Sanders said.

“Those are the kinds of things that make not only my supporters, but millions of Americans, nervous,” he added. “Are you really going to stand up for the middle and working class when you’re collecting millions from Jeb Bush supporters?”

US Democratic presidential candidate Hillary Clinton speaks to supporters during a rally at La Escuelita School in Oakland, California, on May 6, 2016. (AFP photo)

Sanders, who currently trails Clinton in the race for the Democratic presidential nomination, has already criticized her over ties to Wall Street and wealthy corporations, as well as running Super PACS that collect tens of millions of dollars from special interests.

Sanders has galvanized a youth movement with his call for reducing wealth inequality, universal health care, free college education and campaign finance reform.