A growing number of lawmakers want Secretary of State Rex Tillerson to expel Turkish officials from the United States in response to an attack on protestors outside Turkey’s embassy in Washington D.C.

“Allies do not threaten U.S. troops and allies do not attack U.S. citizens on American soil,” Florida Republicans Reps. Ileana Ros-Lehtinen and Gus Bilirakis wrote in a letter Thursday to the Trump administration.