Photos: Trump campaign security
WASHINGTON (AP) — With the presidential campaign moving to Arizona on Tuesday for the state's presidential preference election, Republican front-runner Donald Trump has called on GOP leaders to embrace the public's "tremendous fervor" for his candidacy. If GOP leaders try to deny him the nomination at a contested convention when he is leading the delegate count, Trump predicted, "You'd have riots."
GOP 2016 Trump
Chicago police officers begin to clear the venue after a rally for Republican presidential candidate Donald Trump was canceled due to security concerns on the campus of the University of Illinois-Chicago, Friday, March 11, 2016, in Chicago. (AP Photo/Charles Rex Arbogast)
GOP 2016 Trump
Chicago police officers on foot and mounted, watch over protesters after a rally for Republican presidential candidate Donald Trump was cancelled due to security concerns, on the campus of the University of Illinois-Chicago, Friday, March 11, 2016, in Chicago. (AP Photo/Charles Rex Arbogast)
GOP 2016 Trump
Chicago police officers on foot and mounted, watch over protesters after a rally for Republican presidential candidate Donald Trump was cancelled due to security concerns, on the campus of the University of Illinois-Chicago, Friday, March 11, 2016, in Chicago. (AP Photo/Charles Rex Arbogast)
GOP 2016 Trump
Protesters against Republican presidential candidate Donald Trump celebrate after it was announced that a rally for Trump was canceled due to security concerns on the campus of the University of Illinois-Chicago, Friday, March 11, 2016, in Chicago. (AP Photo/Charles Rex Arbogast)
GOP 2016 Trump
In this image made from video, a man who jumped over a security barrier runs behind the dais where Republican presidential candidate Donald Trump is speaking during a campaign stop outside Dayton, Ohio. He was stopped and Trump continued with his speech. (Joel Menken/Instagram via AP)
GOP 2016 Trump
Security personnel surround Republican presidential candidate Donald Trump after a man tried to rush the stage during a rally in Vandalia, Ohio, outside of Dayton, on Saturday, March 12, 2016. The man was stopped and Trump continued with his speech. (Lisa Powell/The Dayton Daily News via AP) LOCAL PRINT OUT; LOCAL TELEVISION OUT; WKEF-TV OUT; WRGT-TV OUT; WDTN-TV OUT; MANDATORY CREDIT
GOP 2016 Trump
Security removes protesters as the crowd cheers at rally for Republican presidential candidate Donald Trump at Lenoir-Rhyne University in Hickory, N.C., Monday, March 14, 2016. (AP Photo/Chuck Burton)
GOP 2016 Trump
In this image made from video, a man who jumped over a security barrier runs behind the dais where Republican presidential candidate Donald Trump is speaking during a campaign stop in Vandalia, Ohio, outside of Dayton. The man was stopped and Trump continued with his speech. (Joel Menken/Instagram via AP)
GOP 2016 Trump
Security guards standing front of Trump Tower, the residence of Republican presidential candidate Donald Trump, to prevent protesters with The Brady Campaign to Prevent Gun Violence from entering the building, Wednesday, March 16, 2016, in New York. The protesters oppose Trump's campaign rhetoric and gun violence in the U.S. (AP Photo/Mark Lennihan)
Only 60 locations caused long delays in Phoenix area.