Iran warned the United States that "it will respond forcefully" to an Israeli attack on the Ali Taher ridge, where Iranian military personnel are trapped alongside Hezbollah terrorists. Three official sources told Reuters news agency. The message was conveyed to the U.S. in August and underscores Iran's direct and ongoing involvement in the fighting in southern Lebanon, and its willingness to respond to Israeli strikes there. In its message to Washington, Tehran threatened that any comprehensive Israeli attack on the ridge would be met with a large-scale Iranian attack.