Sandoval, a Mexican-American who was Nevada's first Hispanic governor, did not offer a reason for his withdrawal.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.
Trump now has three straight victories - in the West, the South and Northeast.