WASHINGTON, Feb 24 (Reuters) - Some 32 percent of voters in South Carolina's Republican presidential primary contest think Donald Trump would not be fit for the presidency if he were convicted of a crime, according to the preliminary results of an exit poll conducted on Saturday by Edison Research.The poll gathered responses from 1,508 voters in the Republican contest. Updated results will be available as more responses are gathered.

Reporting by Jason Lange in Washington and Helen Coster, editing by Ross Colvin