Hillary Clinton soared ahead of Republican opponent Donald Trump by 10 points nationally in the latest Fox News poll.

Clinton received support from nearly half the people polled by Fox, 49-39. It is the largest lead she has held over Trump since March, according to the pollster’s data. In the previous Fox poll, conducted June 26-28, Clinton led Trump by six points, 44-38.

When Libertarian candidate Gary Johnson was included, Clinton polled at 44 percent, Trump at 35 percent, and Johnson at 12 percent.

The poll was conducted from July 31-August 2 among 1,022 registered voters nationally via telephone and has a margin of error of three percent.