. >> abc news reporter martha gonzalez is in new york where the candidates are hoping for a big win tonight. >> reporter: in just a few hours of voting left in this crucial primary with three of the candidates hoping their new york connections that help them bring their closer to their party's nomination. a big voting day in the big apple. >> who are you voting for? >> reporter: front-runners donald trump and hillary clinton leading in the polls in new york. casting their ballots and banking on home state wins. >> new york is a special place. >> i am so excited about both campaigning here in new york, voting here in new york. >> reporter: brooklyn-born sanders putting up a fight for the democrats' 241 delegates at stake in today's primary count ong a large turnout at the polls. >> i'm afraid she's going to be disappointed. we're feeling very good. >> reporter: on the republican side, trump shaking up his campaign staff with his field director resigning and putting aside this recent slipup in referring to 9/11. >> and i watched our police and our firemen down on 7-eleven at the world trait c