The White House warned Iran Wednesday to keep the Strait of Hormuz in the Persian Gulf open amid reports that it is closing the strait over Israeli military action in Lebanon.The United States and Iran agreed to a two-week ceasefire Tuesday night but Iran claimed Wednesday that the U.S. must rein in Israel and end the fighting in Lebanon if it wants to maintain the ceasefire.White House press secretary Karoline Leavitt said the alleged closure of the strait, based on reports from Iranian state media, is "completely unacceptable."