US says Iran must give up its nuclear program or else

A B-52 Stratofortress flies over Afghanistan in this undated handout photo. U.S. Air Force
A B-52 Stratofortress flies over Afghanistan in this undated handout photo. U.S. Air Force

The Trump administration wants Iran to abandon all aspects of its nuclear program, the US national security advisor said on Sunday, warning that all options are on the table should Tehran refuse.