Here is the latest Iowa news from The Associated Press at 2:40 a.m. CDT

WATERLOO, Iowa (AP) — Waterloo officials agreed to spend more money to design a white-water course along the Cedar River despite concerns about a lack of money to pay for the project. The Waterloo-Cedar Falls Courier reports the City Council voted 5 to 1 Monday to pay $32,430 on top of the $245,865 original contract with a Colorado, company that is designing the project. The money comes from gambling revenue collected from the Isle Casino Hotel Waterloo. It would cost $2.6 million to $4 million to build the course.

CEDAR RAPIDS, Iowa (AP) — The longtime principal of a Cedar Rapids high school has resigned following questions about his response to an incident involving a substitute teacher charged with having sexual contact with a student. KCRG-TV reports Ralph Plagman announced Tuesday he will retire Wednesday as principal at Washington High School. Plagman says he’s leaving at the request of school district officials. He alluded to the case of 24-year-old Mary Haglin, who was charged with sexual exploitation by a school employee.

DES MOINES, Iowa (AP) — An Ankeny man has been sentenced to 12 years in prison for possession of child pornography and attempting to kidnap the children of a federal prosecutor. Court documents say 35-year-old Aaron Lawrence Storm reached a plea deal with federal prosecutors in Des Moines in which he admitted to having cell phone video clips of child pornography.

WATERLOO, Iowa (AP) — A Waterloo police officer has been charged in connection with what authorities say was a road rage incident last month. The Waterloo-Cedar Falls Courier reports 45-year-old Corbin Allen Payne faces a charge of assault causing bodily injury, a misdemeanor. Police Chief Daniel Trelka says Payne is on paid administrative leave. It wasn’t immediately clear if he has an attorney who could comment on his behalf.