Nevada and South Carolina, U.S., January 20, SPA -- Democrat Hillary Clinton and Republican John McCain are celebrating wins in presidential contests in the US states of Nevada and South Carolina. McCain saw off a close challenge by Mike Huckabee to win by 33% to 30% with nearly all votes counted. Mrs. Hillary Clinton beat Barack Obama by 51% to 45% in Nevada, based on 98% of returns. BBC correspondents say the Democrats remain neck-and-neck overall but McCain will take the advantage into the next Republican contest in Florida. South Carolina is seen as significant because, since 1980, every Republican candidate who has won in South Carolina has gone on to win the party's nomination. --SPA www.spa.gov.sa/519165