Meanwhile, Republican presidential candidate Donald Trump remains ahead in the polls in Iowa. Speaking in Sioux Center, Iowa, on Saturday, Trump boasted about being the front-runner, claiming he could “shoot somebody” and still not lose votes.

Donald Trump: “The people, my people, are so smart. And you know what else they say about my people, the polls? They say I have the most loyal people—did you ever see that?—where I could stand in the middle of Fifth Avenue and shoot somebody, and I wouldn’t lose any voters, OK? It’s like incredible.”