The U.S. special envoy to Haiti, Daniel Foote, has resigned in protest over the Biden administration deportations of Haitians from the southern border, calling them "inhumane."

       "Ambassador Daniel Foote, who had been serving as Special Envoy for Haiti since July 22, 2021, submitted his resignation to Secretary Blinken yesterday. We thank Ambassador Foote for his service in this role," a State Department spokesman told ABC News on Thursday.

       Drew Angerer/Getty Images, FILE

       Daniel Foote, Deputy Assistant Secretary of State for the Bureau of International Narcotics and Law Enforcement at the U.S. Department of State, testifies during a Senate Foreign Relations Committee hearing concerning cartels and the U.S. heroin epidemic, on Capitol Hill, May 26, 2016, in Washington, D.C.

       MORE: Democrats lash out at Biden administration over handling of Haitian migrants

       In his resignation letter, Foote said, "our policy approach to Haiti remains deeply flawed."

       Eric Gay/AP

       Haitian migrants use a dam to cross to and from the United States from Mexico, Sept. 17, 2021, in Del Rio, Texas.

       20210922152547327 by ABC News Politics on Scribd

       This is a developing story. Please check back for updates.