Trump said he is looking for a larger venue.
Ten percent of local methane sources are contributing half of the emissions in a Four Corners plume.
McCain was hit from the left and the right on Monday for his response to Trump.
Rep. Ann Kirkpatrick matched McCain in fundraising in the second quarter.
In Arizona, Phoenix, Tuscon and Yuma all came close to their all-time temperature records.
The terminations follow the wait-times scandal first gaining national attention in 2014.
A federal judge found Joe Arpaio and three deputies in contempt.
Democratic hopeful Bernie Sanders also bests all three GOP candidates in the state.
The Arizona senator said he will be on the campaign trail.
A Maricopa County recorder seemingly blamed voters for delays in Tuesday night's contests.
Trump took all of Arizona's 58 delegates; Cruz may do the same in Utah.
The campaign responded to an incident between Lewandowski and a protester.
The English and Spanish radio ads are airing in Arizona, Florida and North Carolina.
Clinton will hire more field organizers to try to flip the previously safe GOP states.
Arizona Republican reminded that voters will remember obstruction in November
Three people were arrested for throwing rocks at officers.
Politicians must rise above rhetoric, serve the people
OPINION: He is doing well in national polls, but it’s battleground states that matter.
"The Hispanic community is roused and angry in a way that I've never seen in 30 years."
Republicans had said the redistricting hurt their influence in the state.
"She's just reporting what her handlers tell her to say," he added of Clinton.
There were reports of high turnouts in Arizona, Idaho and Utah.
Staff Sgt. Tony Pettway, 32, was arrested Saturday.
Protesters parked cars and stood in the road leading to a Trump rally in Phoenix.