Donald Trump: 44 percent (up from 38 percent a week earlier)

Ted Cruz: 17 percent (17 percent)

Ben Carson: 10 percent (9 percent)

Marco Rubio: 10 percent (15 percent)

Jeb Bush: 8 percent (6 percent)

John Kasich 4 percent (2 percent)

Someone else 1 percent (6 percent)

Don't know/No opinion 6 percent (8 percent)

Hillary Clinton: 46 percent (down from 50 percent a week ago)

Bernie Sanders: 39 percent (37 percent)

Someone else: 8 percent (5 percent)

Don't know/No opinion: 7 percent (8 percent)

The latest national poll by Morning Consult shows that Republican presidential front-runner Donald Trump's lead has spiked by 6 points over second-place Ted Cruz, whose support remains flat.The survey, released Friday, conducted Wednesday and Thursday, after Trump's win in the New Hampshire primary, also shows that a decline in the percentage of voters who support someone other than the six remaining GOP candidates or who haven't made up their minds.Here's the breakdown:In the Democratic Party race, the poll shows that Bernie Sanders continues to gain on Hillary Clinton, with his support growing and hers waning: