Photos: Idaho, Utah and Arizona vote

Democratic presidential candidate Hillary Clinton, center, speaks as Seattle Mayor Ed Murray, left, and his husband, Michael Shiosaki, right, look on Tuesday, March 22, 2016, during a campaign rally at Rainier Beach High School in Seattle.

Democratic presidential candidate, Sen. Bernie Sanders, I- Vt., speaks at a rally Tuesday, March 22, 2016, in San Diego.

People wait in line to vote in the primary on March 22, 2016, in Chandler, Ariz.

A child holds a sign supporting Democratic presidential candidate Sen. Bernie Sanders, I-Vt., while awaiting his arrival at the San Diego Convention Center on March 22, 2016, in San Diego.

People wait in line for the county-wide Democratic caucus in Boise, Idaho, on March 22, 2016.

Voters sign in for the Utah Republican caucuses at a school in Provo, Utah, on March 22, 2016.

Voters line up to attend the Utah Republican caucuses at a school in Provo, Utah, on March 22, 2016.

Vern and Rhonda Sanford prepare to print out a same day ballot to vote before the Utah caucuses tonight at 7pm on March 22, 2016 in Provo, Utah.

Voters wait in line to cast their ballot in Arizona’s presidential primary election, Tuesday, March 22, 2016, in Gilbert, Ariz.