JAKARTA, Indonesia - Ten alleged militants arrested this month planned to assassinate an American teacher in Indonesia and avenge the upcoming executions of the Bali nightclub bombers by attacking the Supreme Court, a top anti-terrorism official said.

The official identified the teacher only by his first name, Samuel, and said he worked in the small town of Sekayu on Sumatra island. The U.S. Embassy in Indonesia declined comment.

The anti-terrorism officer spoke late Sunday to The Associated Press on condition of anonymity, saying that revealing his identity would jeopardize ongoing anti-terror operations. ...