Here is the latest Iowa news from The Associated Press at 3:30 a.m. CDT

MINNEAPOLIS (AP) — The opioid crisis has hit virtually every pocket of the U.S., from rural towns in deeply conservative states to big cities in liberal-leaning ones. But a curious divide has opened up. The nation’s Republican state attorneys general have, for the most part, lined up in support of a tentative multibillion-dollar settlement with OxyContin maker Purdue Pharma, while their Democratic counterparts have mostly come out against it, decrying it as woefully inadequate.

DES MOINES, Iowa (AP) — Police say an officer shot a homeless man who tried to evade police and then threatening one of them with a knife. The shooting happened early Friday afternoon near the Martin Luther King Jr. Parkway Bridge over the Raccoon River. Police Sgt. Paul Parizek says officers responding to complaints about the homeless camp encountered a 26-year-old man who jumped into the river and later armed himself with a knife. Police say he was threatening an officer with the knife when he was shot.

OMAHA, Neb. (AP) — The amount of water to be released into the lower Missouri River will change in the coming days to accommodate recent heavy rains in the Upper Plains. The U.S. Army Corps of Engineers said in a news release Friday that water releases from Gavins Point Dam on the Nebraska-South Dakota border will be reduced to 65,000 cubic feet per second on Saturday and down to 60,000 cubic feet per second on Sunday. Soon thereafter, releases will be incrementally increased to up to 80,000 cfs.

MUSCATINE, Iowa (AP) — A man has testified that he saw a woman burn bloody clothes at her eastern Iowa home a day or two after prosecutors allege that she beat her ex-boyfriend to death with a baseball bat in 1992. Scott Payne told a jury Thursday that Annette Cahill said the clothes were covered with red paint, but that he knew it was blood because of his days slaughtering pigs. Cahill was charged last year with first-degree murder in the beating death Corey Wieneke.