Sen. Elizabeth Warren Elizabeth WarrenNo new taxes for the ultra rich — fix bad tax policy instead Democrats back away from quick reversal of Trump tax cuts It's time for newspapers to stop endorsing presidential candidates MORE (D-Mass.) blasted congressional Republicans on Monday night, urging them to come to the Senate floor to publicly speak out against President Trump Donald John TrumpTrump says he doesn't think he could've done more to stop virus spread Conservative activist Lauren Witzke wins GOP Senate primary in Delaware Trump defends claim coronavirus will disappear, citing 'herd mentality' MORE's order temporarily banning citizens from seven predominantly Muslim countries from entering the U.S.

"Where are the Senate Republicans when their Republican president issues an order targeting one religious group?" she asked from the Senate floor.

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"Where are you now, Paul Ryan? Have you rejected President Trump's order to impose a religious test for entering our country? Have you introduced a bill to overturn it? You have the power. Where are you?" Warren questioned.

The executive order bars people from Iran, Iraq, Syria, Yemen, Sudan, Libya and Somalia from entering the country for 90 days. It also suspends refugee resettlement in the U.S. for 120 days and indefinitely suspends resettlement for refugees from war-torn Syria.

Ryan was one of the first congressional Republicans to defend Trump's executive order, with his office arguing it is not a blanket ban on Muslim immigrants.

“This is not a religious test and it is not a ban on people of any religion,” Ryan spokeswoman AshLee Strong told The Washington Post.

McConnell told ABC's "This Week" that he is opposed to a "religious test" and that "the courts are going to determine whether this is too broad.”

But Warren repeatedly knocked Republicans during an impassioned speech from the Senate floor, arguing that GOP leadership "will not stand up for what is right."

Warren, who joined the Senate in 2013, spoke from the Senate floor for more than an hour as part of a late night talkathon that Senate Democrats are using to focus attention on Trump's measure.

Warren also shared stories from the Senate floor of individuals affected by Trump's order, including an Iranian citizen whom she noted was trying to visit his daughter in Massachusetts who is being treated for cancer.

"They are husbands and wives, mothers and fathers, sisters and brothers, friends and neighbors," Warren said. "They are people. They are real people."

In addition to the string of floor speeches, congressional Democrats — including Warren — rallied with supporters outside of the Supreme Court on Monday evening.

Warren added from the Senate floor that Trump's order is "unconstitutional" and "immoral."