A union representing Transportation Security Administration workers calls the Department of Homeland Security's decision to end the collective bargaining agreement with them an “unprovoked attack.”

"Attempting to negate [TSA workers'] legally binding collective bargaining agreement now makes zero sense – it will only reduce morale and hamper the workforce," said Rep. Bennie G. Thompson, a Democrat from Mississippi and ranking member of the Committee on Homeland Security, in a statement on Friday.

The Department of Homeland Security, under Secretary Kristi Noem, ended its collective bargaining with thousands of employees under the Transportation Security Administration Friday. The move, which affects tens of thousands of employees,