In the months since President Biden assumed office, the United States has seen a historic surge of migrants illegally crossing the southern border. Officials say more than 100,000 migrants were encountered at the border in February, and reports indicate an unprecedented 117,000 migrant children are set to enter the country by the end of 2021.

While Republicans have called the situation a “crisis,” Democrats have largely been reluctant to do so, instead terming the surge a “challenge.” Here are the Democrats who have called the saga unfolding along the U.S.-Mexico border a “crisis.”