Shouting match erupts at UN as Cuban foreign minister moves toward US ambassador's podium: 'Back up!'

U.S. Ambassador to the United Nations Mike Waltz told Cuba's foreign minister to "back up" Tuesday after the Cuban diplomat approached the podium and interrupted his remarks on the floor of the U.N. General Assembly.

"Well, we know. We know where it went. And today we are here to share it to the world," Waltz said as he accused Cuba's government of enriching its leaders while its people suffered.

As the Cuban delegation sought to interrupt his remarks, Waltz fired back.

"I know you don't like to hear this," Waltz said.