US House Speaker Hastert under investigation-ABC

WASHINGTON, May 25 (Reuters) The Speaker of the U.S. House of Representatives, Dennis Hastert, is under investigation by the FBI, which is probing corruption in Congress, according to on ABC News report.

ABC, citing high level Justice Department sources, said information implicating Hastert was developed from convicted lobbyists who are now cooperating with the government.

Part of the investigation involves a letter Hastert wrote three years ago, urging the Secretary of the Interior to block a casino on an Indian reservation that would have competed with those of other tribes.

Hastert's Press Secretary told ABC in a statement: ''We are not aware of this.'' Hastert's spokespeople were not immediately available for comment.

REUTERS DH RN0559