Reuters - U.S. aid official linked to call-girl ring resigns

WASHINGTON, April 27 (Reuters) - A senior State Department official in charge of foreign aid who had used an escort service owned by a woman charged with running a prostitution operation abruptly resigned on Friday, ABC News reported.

Randall Tobias, a deputy secretary of state and the first head of U.S. foreign assistance and administrator of the U.S. Agency for International Development (USAID), told Secretary of State Condoleezza Rice "that he must step down" for personal reasons, the State Department said in an announcement.