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

DES MOINES, Iowa (AP) — Iowa Gov. Kim Reynolds says the state is returning $21 million of federal coronavirus aid money it planned to spend on upgrading state information technology systems. Reynolds says she has directed the Iowa Department of Management to return the money to the state’s virus relief fund by Friday. The funds were initially allocated for payments related to Workday, a cloud-based human resources, finance, and planning system being implemented to modernize the state’s IT infrastructure. She says U.S. Treasury officials initially indicated it was an allowable expense but is now saying it is not. Iowa received $1.25 billion from the Coronavirus Aid, Relief and Economic Security Act and must allocate the remaining $47.3 million by Dec. 30.

IOWA CITY, Iowa (AP) — A small group of health care workers were the first people in Iowa to get the coronavirus vaccine, kicking off a months-long campaign to deliver shots to state residents. The arrival of the vaccine marked a milestone in the fight against a virus that has killed one in roughly every 964 residents in Iowa, infected hundreds of thousands more, filled up hospitals and closed many public school buildings. University of Iowa Hospitals and Clinics said on Monday morning it received 1,000 doses of the vaccine manufactured by Pfizer and its German partner BioNTech. The hospital soon started vaccinating employees, saying it anticipated more than 50 would receive the first of two doses of the vaccine on Monday.

DES MOINES, Iowa (AP) — Iowa’s six Republican electors cast their votes for President Donald Trump and Vice President Mike Pence, affirming their win in an election that saw record turnout and victories in 93 of the state’s 99 counties. Gov. Kim Reynolds presided over the meeting at the Iowa Capitol, where the six Republican activists filled out ballots Monday. The vote was a formality since the electors were required by law to vote for the candidate who won the state popular vote. Trump won the state 53% to Joe Biden’s 45%. A record 1.7 million voters cast ballots, for a turnout rate of more than 76%.

WATERLOO, Iowa (AP) — Waterloo officials are working to determine the cause of an explosion and fire at a school bus garage. Authorities say the explosion happened Monday afternoon at School Bus Sales in Waterloo. Four people were taken by car to hospitals. The extent of their injuries was not immediately known. Fire Battalion Chief Troy Luck said walls at the business were blown out and a burning school bus was found inside the building.