As field narrows, Clinton secures crucial victory over Sanders in Nevada's Democratic caucuses

Donald Trump widened his lead over the Republican party's presidential field claiming a big victory on Saturday as the contest moved into the South. Out West, Hillary Clinton beat Vermont Senator Bernie Sanders for a crucial win in Nevada's Democratic caucuses.

Former Florida Governor Jeb Bush, who had done poorly in the first three early Republican contests, suspended his campaign after a disappointing fourth place finish in South Carolina.