Here is the latest Iowa news from The Associated Press

IOWA CITY, Iowa (AP) — The University of Iowa says a student has reported a sexual assault on campus. The school says police received a report on Saturday about an incident at a residence hall on Friday. A female student says an unknown person sexually assaulted her. Additional details were not available. The school released the information in accordance with a federal disclosure law.

DES MOINES, Iowa (AP) — Des Moines officials have postponed plans for a new city ordinance aimed at regulating the ridesharing service Uber. The City Council pushed back a vote to January that would spell out how Uber should conduct business in Des Moines. Council members said they wanted more time to research the issue. Uber launched in Des Moines in September, despite warnings from officials that the company was violating city ordinances.

LOS ANGELES (AP) — An Iowa venue says a Bill Cosby performance scheduled for next year has been postponed indefinitely. The Des Moines Civic Center says it notified ticketholders that they will receive a refund for the planned March 7 concert. Cosby stage shows have been canceled in several other states. The actions follow renewed allegations by women claiming decades-old sexual assaults by the 77-year-old comedian. Cosby has denied the allegations.

FORT DODGE, Iowa (AP) — Trial has begun for a Georgia man charged with killing his former roommate in Iowa. Jury selection began in the trial of 55-year-old John Green. He faces a first-degree murder charge in the death of Mark Koster, of Sac City. Green has pleaded not guilty. Koster’s skeletal remains were found buried in the basement of his house in 2012. The new homeowners found them while renovating the basement.