Here is the latest Iowa news from The Associated Press at 4:00 a.m. CST

IOWA CITY, Iowa (AP) — A grand jury has declined to charge a white police officer in a shooting that left an unarmed black motorist paralyzed and sparked weeks of protests in Iowa’s second largest city. Linn County Attorney Jerry Vander Sanden says the grand jury didn’t return an indictment against Cedar Rapids police officer Lucas Jones in the Nov. 1 shooting of 37-year-old Jerime Mitchell. Jones shot Mitchell in the neck after a traffic stop escalated into an altercation.

OSCEOLA, Iowa (AP) — Authorities in southern Iowa say that three missing teens have been found dead in rural Clarke County. Osceola police tell Des Moines television station KCCI that the bodies of 16-year-old Elaina Critz, 16-year-old Lauren Barker and 19-year-old Jesse Robinson _ all of Osceola _ were found Tuesday at the wreckage of a car that had run off a rural road and into a creek. Authorities say the teens were found in a culvert by a road maintenance worker who happened to stop in the area.

CEDAR FALLS, Iowa (AP) — The Iowa Board of Regents has announced the hiring of an Iowa native and a current chancellor of Montana State University Billings as the new president for the University of Northern Iowa. Mark Nook will lead Iowa’s third-largest university. Nook was selected over two other finalists, former Temple University president Neil Theobald and UNI Interim President Jim Wohlpart.

DES MOINES, Iowa (AP) — Some downtown Des Moines buildings have been evacuated and emergency crews called after a partial wall collapse of an office building led to a gas leak. The collapse happened around 1:30 p.m. Tuesday, when the upper part of the brick wall fell onto the sidewalk below. No injuries have been reported, and several streets have been blocked off by police in the area.