Trump sees double-digit surge in new poll

Donald TrumpDonald John TrumpGOP lawmakers preparing to vote on bill allowing migrant children to be detained longer than 20 days: report Wasserman Schultz: Infants separated from their parents are in Florida immigrant shelters Ex-White House ethics chief: Sarah Sanders tweet violates ethics laws MORE has surged to the top of the 2016 GOP presidential field in a new Wall Street Journal/NBC News poll with a double-digit increase in the past month.

Trump was the first choice of 19 percent of Republican primary voters in the new poll, released early Sunday.

Wisconsin Gov. Scott Walker drew the support of 15 percent of GOP voters and former Florida Gov. Jeb Bush took 14 percent, all within the poll’s margin of error.

Bush stood atop the Republican field in a similar poll released in June. Trump had 1 percent in that survey.

Trump was also the second choice of 11 percent of respondents in the new poll, compared with 3 percent in June.

The latest poll of 252 Republican primary voters was conducted was July 26-30, following Trump’s controversial comments about Sen. John McCainJohn Sidney McCainMulvaney aims to cement CFPB legacy by ensuring successor's confirmation Trump mocks McCain at Nevada rally Don’t disrespect McCain by torpedoing his clean National Defense Authorization Act MORE’s (R-Ariz.) war record. It has a margin of error of 6.17 percentage points.