Here is the latest Iowa news from The Associated Press at 3:40 a.m. CDT

IOWA CITY, Iowa (AP) — Police in Iowa City are investigating what they are calling the suspicious death of a woman. Police say emergency responders were called to an Iowa City house Friday morning for a report of an unresponsive person. Arriving first responders found a woman dead inside. Police say the death is being treated as suspicious death and is under investigation by local police, the Iowa Division of Criminal Investigations and others. The name woman has not been released.

FORT MADISON, Iowa (AP) — Authorities say an Iowa State Penitentiary worker is recovering after becoming extremely ill when she came in contact with an unknown substance at the prison. Prison officials say the incident happened Friday. The substance is believed to have come from a bottle of eye drops. Other prison employees quarantined the substance, which is being tested at the State Crime Lab in Ankeny.

IOWA CITY, Iowa (AP) — Some supporters of Bernie Sanders are not ready to move past the slights they think their candidate suffered in 2016 against Hillary Clinton. That group is threatening not to vote for any nominee other than Sanders – a prospect that could undermine Democrats’ chances in 2020. The frustration is notable now that Sanders is a 2020 front-runner, raking in $18.2 million in the first quarter.

SHELDON, Iowa (AP) — Authorities have identified a man whose body was found on a shore of the Floyd River near a college campus in northwest Iowa. The Sioux County Sheriff’s Office said Friday in a news release that the Iowa State Medical Examiner has identified the victim as 27-year-old Cory Allen Wright, of Sheldon. Officials say a fingerprint and tattoos on the body were used to confirm Wright’s identity.