Seven first-term House Democrats, who previously served in the military or worked in intelligence operations, say they’ve changed their minds about impeaching President Trump, arguing his reported interactions with Ukrainian officials warrants consideration of it.

A Washington Post op-ed by the first-term lawmakers represents a shift by a key group of House Democrats who have previously been reluctant to call for Trump’s impeachment over the Mueller report, detailing his 2016 campaign’s interactions with figures linked to the Russian government. But the president’s alleged threat to Ukrainian President Volodymyr Zelensky, to withhold U.S. aid if prosecutors there didn’t investigate business dealings in the country by a son of former Vice President Joe Biden, falls into a different category, write Democratic Reps. Gil Cisneros of California, Jason Crow of Colorado, Chrissy Houlahan of Pennsylvania, Elaine Luria of Virginia, Mikie Sherrill of New Jersey, Elissa Slotkin of Michigan, and Abigail Spanberger of Virginia.