Here is the latest Iowa news from The Associated Press

DES MOINES, Iowa (AP) — Iowa Senator Joni Ernst has followed up a national turn in the spotlight with a speech to home-state conservatives that stressed a need to rein in “executive overreach.” The freshman Republican appeared Saturday at a daylong forum attended by several potential 2016 White House contenders. The Freedom Summit was billed as the start of the Iowa presidential caucus chase.

DES MOINES, Iowa (AP) — Protesters have heckled Republican presidential prospects Rick Perry and Chris Christie over immigration policies during a conservative political forum in Iowa. The former governor of Texas was interrupted during his speech to the Iowa Freedom Forum by six people chanting, “If you become president, will you deport our families?” The six young adults claimed to be children of immigrants in the U.S. illegally. Police escorted them from the auditorium.

COUNCIL BLUFFS, Iowa (AP) — Police are still looking for a man involved in a crash that caused a Council Bluffs house fire. The Daily Nonpareil reports that a man was driving a 2004 Chevy Silverado pickup just after 2 a.m. Friday when he crashed into the home’s porch. The suspect fled the scene.

COLLEGE SPRINGS, Iowa (AP) — Authorities say two family dogs that fatally mauled a 7-year-old College Springs boy have been euthanized. Malaki Mildward, a first-grader, died shortly after the attack Thursday afternoon. Page County Sheriff Lyle Palmer tells the Omaha World-Herald that the dogs were 6-month-old puppies — a 25-pound female and a 35-pound male.