Biden and Trump set the tone for November's presidential poll

Americans have been voting in 15 states in what is known as Super Tuesday - to choose the candidates for the race to the White House; will it be President Biden versus Donald Trump?

Also this hour, a large financial donor to Nikki Haley's campaign for the Republican Party nominee - Jay Leftkowitz - gives his view of the choice facing American voters.

And one of the most powerful gang leaders in Haiti warns of grave consequences if the prime minister Ariel Henry does not stand down.