In all, at least eight people were killed and more than 60 wounded since the opposition candidates pulled out of the race.

Yates pulled out of the race with a stomach bug.

The Governor has refused to elaborate on his decision to pull out of the race.

Coe was pulled out of the last race before his retirement by team officials.

Carter pulled out of the race and was given a high list placing instead.

But do those candidates who have pulled out of the race still get delegates?

Bartholomew did pull out of the race, so he didn't progress to do the heat.

It wasn't pulling out of the race that demoralized the feminists.

He pulled out of the race in February after spending $35m (£21.4m) of his own money.

Jesse Jackson had pulled out of the race for some reason.