Here is the latest Iowa news from The Associated Press at 3:40 a.m. CDT

IOWA CITY, Iowa (AP) — A state prosecutor was told to drop an inquiry into Iowa State University President Steven Leath’s damage of a school airplane after the Iowa Board of Regents’ top lawyer contacted his boss’s office. State officials confirmed Wednesday that prosecutor Rob Sand sought and obtained public records about Leath’s plane accident. The inquiry was dropped because it was inappropriate for prosecutors to conduct criminal investigations, the attorney general’s office says.

WASHINGTON (AP) — The chairman of the Senate Judiciary Committee says Republicans “can’t just simply stonewall” nominees to the Supreme Court even if the president making the choice is Democrat Hillary Clinton. Sen. Chuck Grassley made the comments to Iowa radio reporters on Tuesday. Republican Sen. John McCain of Arizona had vowed on Monday that Republicans would unite against any nominee Clinton puts forward if she becomes president.

WATERLOO, Iowa (AP) — Former Secretary of State Madeleine Albright has visited an Islamic center in Waterloo that was vandalized over the weekend. The Waterloo-Cedar Falls Courier reports that Albright was in town to campaign for Democratic presidential nominee Hillary Clinton. But after learning of the vandalism _ in which GOP presidential candidate Donald Trump’s last name was spray-painted on a center wall _ Albright added a stop at the center.

DAVENPORT, Iowa (AP) — A Davenport man has been sentenced to 20 years in federal prison for providing a fatal dose of heroin to a woman in May 2015. The Quad-City Times reports that 30-year-old Kiel James Kiwala was sentenced Monday in Davenport’s U.S. District Court. There is no parole in the federal system. Kiwala pleaded guilty in June to one count of distribution of heroin resulting in death.