Here is the latest Iowa news from The Associated Press at 3:33 a.m. CDT

BURLINGTON, Iowa (AP) — Police have identified three southeastern Iowa law enforcement officers involved in a shootout that killed a suspect. The Iowa Division of Criminal Investigation said Tuesday in a news release that Burlington Officers Tyler Henning and Nathan Crooks and Des Moines County Sgt. Kevin Glendening all fired their weapons on Sept. 11 in a confrontation with 20-year-old Caleb Daniel Peterson, of Burlington.

DES MOINES, Iowa (AP) — A homeless man shot by police during a confrontation at a Des Moines homeless encampment has been released from the hospital. KCCI reports that 26-year-old Bryan Tyler Norris was booked into the Polk County Jail on Tuesday, charged with two counts of assault on an officer with a deadly weapon, theft and a weapons count. Police say Norris was shot Friday when he threatened an officer with a machete-style knife.

DES MOINES, Iowa (AP) — Des Moines’ main library downtown has been evacuated and closed after a man walked into its atrium and set himself on fire. Police say witnesses reported the 36-year-old man doused himself with a flammable liquid just before 2 p.m. Tuesday and lit himself on fire. Library staff used a fire extinguisher to douse the flames, and the man was rushed to a nearby hospital for treatment of serious burns.

DES MOINES, Iowa (AP) — The federal government has finalized rules for most U.S. pork processing plants that remove limits on the speed of production lines and place more animal inspection and food safety tasks with company employees. The pork industry says the first significant pork processing rule changes in 50 years are way overdue while advocacy groups for workers, animals, consumers and the environment say it will endanger workers, increase suffering for pigs and threaten the food supply.