Ben Carson
Media playback is unsupported on your device
Video

Ben Carson pulls out of Republican race

Ben Carson, who was hoping to be the first black Republican US presidential candidate, has pulled out of the race to win the party's nomination.

A retired brain surgeon, he failed to take a single state in the Republican primaries and caucuses.

Gary O'Donoghue reports.

  • 05 Mar 2016
Go to next video: Divided US split into 'alien tribes'