President Donald Trump wants to see a "unified" response from Iran's leadership to U.S. proposals to end hostilities, White House press secretary Karoline Leavitt said on Wednesday.

Leavitt told reporters that Trump had not set a deadline for an end to the ceasefire extension he announced on Tuesday.

Earlier, Leavitt said in an interview with Fox News' "The Story with Martha MacCallum" that Iran must agree to turn over its enriched uranium to the United States as part of negotiations to end the war.