Donald Trump has won the Republican presidential primary in New York while Hillary Clinton has triumphed in the Democratic race.
With the majority of votes counted, Mr Trump looks set to extend his lead over rivals Ted Cruz and John Kasich.
Meanwhile Democratic hopeful Mrs Clinton, a former senator for New York, is on course for a victory over Brooklyn-born Bernie Sanders.
Wins will put Mrs Clinton and Mr Trump closer to securing their nominations.
With more than 98% of the results in, Mr Trump is leading with just over 60% of the vote while Mrs Clinton has just under 58%